Product Details | FREQUENCY STANDARD

6625-00-575-6749 An item that can generate a fundamental frequency with a high degree of accuracy. Harmonics of this fundamental are then used as a reference point for checking throughout the radio spectrum. The standard may be stable crystal oscillator, noncrystal oscillator, tuning fork, atomic beam, molecular beam, gas cell, quantum mechanical resonator, or the like.

Part Alternates: 1201793, 5061A, 6625-00-575-6749, 00-575-6749, 6625005756749, 005756749

Instruments and Laboratory Equipment | Electrical and Electronic Properties Measuring and Testing Instruments

Supply Group (FSG) NSN Assign. NIIN
66 19 JAN 1968 00-575-6749

Demand History | NSN 6625-00-575-6749

Part Number Request Date QTY Origin
005756749 2012-05-136 1 US

Cross Reference | NSN 6625-00-575-6749

Part Number Cage Code Manufacturer
1201793 56232 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
5061A 1LQK8 KEYSIGHT TECHNOLOGIES, INC.
5061A 28480 HEWLETT-PACKARD COMPANY DBA HEWLETT-PACKARD CO. OR HP

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Technical Data | NSN 6625-00-575-6749

Characteristic Specifications
UNIT TYPE STANDARD
AC VOLTAGE RATING 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL
FREQUENCY RATING 50.0 HERTZ MINIMUM AND 1000.0 HERTZ MAXIMUM
DC VOLTAGE RATING 22.0 VOLTS MINIMUM AND 30.0 VOLTS MAXIMUM
OVERALL WIDTH 16.700 INCHES NOMINAL
OVERALL HEIGHT 8.700 INCHES NOMINAL
OVERALL DEPTH 16.200 INCHES NOMINAL
RECORDING DEVICE ACCOMMODATION NOT PROVIDED
FURNISHED ITEMS AND QUANTITY POWER CORD 1, KIT INCLUDING EXTENDER BOARDS, TEST CABLES, MAINTENANCE TOOLS AND MATING CONNECTING 1
SPECIAL FEATURES FREQUENCY STANDARD,CESIUM BEAM; USED DURING 5 MHZ OSCILLATOR TEST
III END ITEM IDENTIFICATION AN/URC-117 GROUND WAVE EMERGENCY NETWORK (GWEN)
III SUPPLEMENTARY FEATURES SINUSOIDAL OUTPUT 5 MHZ;1 MHZ;100 KHZ;CESIUM BEAM TUBES LENGTH 16 IN.;OPERATING TEMP 0 TO 50 DEG C
III FUNCTIONAL CLASSIFICATION AA-10.6
III FUNCTIONAL DESCRIPTION A UNIT WHICH USES A CESIUM BEAM TUBE RESONATOR TO STABILIZE THE OUTPUT FREQUENCY OF A QUARTZ CRYSTAL OSCILLATOR
III RELATIONSHIP TO SIMILAR EQUIPMENT SIMILAR TO NSN 6625-00-852-0844
III REFERENCE DATA AND LITERATURE T.O. 33A1-5-318-11

Restrictions/Controls & Freight Information | NSN 6625-00-575-6749

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 061700 ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating P 77.5
Less than truck load rating J 100.2
Water commodity Code 72D unknown
Originating Activity Code SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 6625-00-575-6749

Category Code Description
Materiel Category and Inventory ManagerG Communications and Electronics Equipment, Electronics Materiel
Appropriation and Budget ActivityP Communications and Electronics Equipment (except Safeguard)
Management Inventory Segment1 REPARABLE ITEMS (Exclusive of Insurance and Provisioning Items.) This code will be used to identify serviceable or unserviceable items of a durable nature which when unserviceable normally can be repaired economically by depots or lower echelons of maintenance.
Specific Group/Generic CodeT Other Electronics Equipment
Weapons Systems/End Item or Homogeneous GroupTDTest Equip
Accounting Requirements CodeN Nonexpendable item. An item of Army property coded with an ARC of?N?in the AMDF. Nonexpendable items require property book accountability after issue from the stock record account. Commercial and fabricated items similar to items coded ?N? in the AMDF are considered nonexpendable items.
Source of SupplyFPZSan Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Materiel Management Aggregation CodeRHTG:AUTO TEST EQUIPMENT/AUTO TEST SYSTEMS (ATE/ATS) (FSC RESIDUAL MMAC)
Price ValidationX The current standard price has been validated and the previous price was erroneous.
  • The item was overpriced and the contractor has refunded the overcharge or DoD activities did not actually pay the previous price. The price paid is within the analyzed acceptable range.
  • If the difference from the previous price exceeds $99.99, or if the price change exceeds 500 percent and the extended value of any affected transaction exceeds $99.99, then reverse-post procedures will apply where the stock fund has overcharged unit O&M Funds. These corrections will be limited to the current fiscal year.
    • ZOP or Standard Price challenges are permissible, but should be supported by adequate justification
Budget CodeY variousO & M:AF centrally procured equipment items. They are separate, primary end items (other than the weapon system itself) needed by a user to perform an assigned mission. They are nonexpendable items (ERRCD NF or ND) which are not consumed in use, and they do not lose their original identity during periods of use by incorporation into, or attachment to another assembly.
Source of SupplyFLZWarner Robins Air Logistics Center
Robins AFB, GA 31098-5609
AgencyDFDepartment of the Air Force
Service OrganizationLLead Service - 22 (Repairable)
ReparabilitySAF Equipment Management System (AFEMS)
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes7GDepot level reparable electronic material to support
Naval Inventory Control Point, Space and Naval Warfare Systems Command, Mechanicsburg
Source of SupplyN35Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityHDepot Level Reparable
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each