Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-128-1712 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: 2060315801, 206-031-580-1, 5340-00-128-1712, 00-128-1712, 5340001281712, 001281712

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 29 NOV 1968 00-128-1712

Drawings & Photos | NSN 5340-00-128-1712


Demand History | NSN 5340-00-128-1712

Part Number Request Date QTY Origin
5340-00-128-1712 2016-10-23 33 DIBBS
5340-00-128-1712 2016-08-31 114 DIBBS
5340-00-128-1712 2014-01-23 85 DIBBS
5340-00-128-1712 2011-01-05 51 DIBBS
5340-00-128-1712 2010-06-02 50 DIBBS
5340-00-128-1712 2009-09-17 46 DIBBS
5340-00-128-1712 2009-08-04 20 DIBBS

Cross Reference | NSN 5340-00-128-1712

Part Number Cage Code Manufacturer
206-031-580-1 66356 MIDWAY MACHINE COMPANY INC.
206-031-580-1 97499 BELL HELICOPTER TEXTRON INC.

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Technical Data | NSN 5340-00-128-1712

Characteristic Specifications
MATERIAL ALUMINUM ALLOY,AMS 4260
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT ZINC CHROMATE PRIMER
STYLE DESIGNATOR N16 SEAT
OVERALL HEIGHT 1.4200 INCHES MINIMUM AND 1.4400 INCHES MAXIMUM
END DIAMETER 0.6100 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP 0.3100 INCHES MINIMUM AND 0.3300 INCHES MAXIMUM
FIRST STEP DIAMETER 1.5900 INCHES MINIMUM AND 1.6500 INCHES MAXIMUM
FIRST STEP LENGTH 0.0700 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM
SECOND END DIAMETER 0.6100 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM
BORE DIAMETER 0.3250 INCHES MINIMUM AND 0.3450 INCHES MAXIMUM
COUNTERBORE LENGTH 1.2800 INCHES MINIMUM AND 1.3400 INCHES MAXIMUM
COUNTERBORE DIAMETER 0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURES TWO SIDES OF FIRST STEP FLATTENEDTO 1.2500 IN. ACROSS FLATS,FOUR MTG HOLES PARALLEL TO BORE THRU FIRST STEP 0.125 IN. DIA,0.750 IN. C TO C
TEST DATA DOCUMENT 97499-BPS4089 SPECIFICATION
MANUFACTURERS CODE 97499
DESIGN CONTROL REFERENCE 206-031-580-1

Restrictions/Controls & Freight Information | NSN 5340-00-128-1712

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:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 013120 ALUMINUM ARTICLE NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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 5340-00-128-1712

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 CodeB Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous GroupBXOH-58D Army Helicopter Improvement Program (AHIP)
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
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
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