Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-725-5379 A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.

Part Alternates: 11578057, 5340-00-725-5379, 00-725-5379, 5340007255379, 007255379

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 14 FEB 1968 00-725-5379

Drawings & Photos | NSN 5340-00-725-5379


Demand History | NSN 5340-00-725-5379

Part Number Request Date QTY Origin
5340-00-725-5379 2024-07-31 130 DIBBS
5340-00-725-5379 2024-06-12 130 DIBBS
5340-00-725-5379 2024-03-03 86 DIBBS
5340-00-725-5379 2024-02-20 68 DIBBS
5340-00-725-5379 2023-12-27 29 DIBBS
5340-00-725-5379 2023-08-23 23 DIBBS
5340-00-725-5379 2023-08-02 31 DIBBS
5340-00-725-5379 2022-08-23 55 DIBBS
5340-00-725-5379 2021-10-13 69 DIBBS
5340-00-725-5379 2021-06-30 31 DIBBS
5340-00-725-5379 2018-11-01 59 DIBBS
5340-00-725-5379 2018-09-16 13 DIBBS
5340-00-725-5379 2018-09-04 92 DIBBS
5340-00-725-5379 2018-06-21 49 DIBBS
5340-00-725-5379 2018-05-08 103 DIBBS
5340-00-725-5379 2018-04-15 103 DIBBS
5340-00-725-5379 2018-03-11 103 DIBBS
5340-00-725-5379 2018-02-05 29 DIBBS
5340-00-725-5379 2017-12-04 22 DIBBS
5340-00-725-5379 2017-09-10 20 DIBBS
5340-00-725-5379 2017-09-10 29 DIBBS
5340-00-725-5379 2015-06-15 20 DIBBS
5340-00-725-5379 2013-06-10 8 DIBBS
5340-00-725-5379 2013-02-28 8 DIBBS
5340-00-725-5379 2012-10-01 100 DIBBS
5340-00-725-5379 2012-04-24 31 DIBBS
5340-00-725-5379 2011-10-31 4 DIBBS
5340-00-725-5379 2011-10-28 110 DIBBS
5340-00-725-5379 2011-09-19 29 DIBBS
5340-00-725-5379 2011-08-29 1 DIBBS
5340-00-725-5379 2011-08-03 58 DIBBS
5340-00-725-5379 2011-08-03 17 DIBBS

Cross Reference | NSN 5340-00-725-5379

Part Number Cage Code Manufacturer
11578057 19206 ARMY, UNITED STATES DEPARTMENT OF THE

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Technical Data | NSN 5340-00-725-5379

Characteristic Specifications
MATERIAL STEEL ALLOY, FED STD 66, AISI OR SAE 1345H
MATERIAL HARDNESS RATING 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR N15 SEAT
OVERALL HEIGHT 3.4800 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP 2.0420 INCHES NOMINAL
FIRST STEP LENGTH 0.3800 INCHES NOMINAL
SECOND STEP DIAMETER 2.9980 INCHES NOMINAL
COUNTERBORE LENGTH 2.6050 INCHES NOMINAL
SECOND COUNTERBORE LENGTH 1.0580 INCHES NOMINAL
SECOND COUNTERBORE DIAMETER 2.4370 INCHES NOMINAL
DESIGN TYPE SOLID
SPECIAL FEATURES INSIDE LENGTH 1.5000 IN;INSIDE WIDTH 1.3200 IN;USED ON M109 HOWITZER FAMILY
MANUFACTURERS CODE 19206
DESIGN CONTROL REFERENCE 11578057

Restrictions/Controls & Freight Information | NSN 5340-00-725-5379

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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 146150 GUN CARRAIGE/GUN MOUNT PARTS NOI
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 685 unknown
Originating Activity Code BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5340-00-725-5379

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic CodeK Combat Vehicles
Weapons Systems/End Item or Homogeneous GroupKFHowitzer, Full Tracked, Self- propelled 155mm M109
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each