Product Details | SPRING TENSION WASHER

5310-01-030-4918 A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

Part Alternates: ST4M178A2, 4M29428, 4M294-28, 5310-01-030-4918, 01-030-4918, 5310010304918, 010304918

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 07 NOV 1976 01-030-4918

Drawings & Photos | NSN 5310-01-030-4918


Cross Reference | NSN 5310-01-030-4918

Part Number Cage Code Manufacturer
4M294-28 51814 SMALLEY STEEL RING CO.
ST4M178A2 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5310-01-030-4918

Characteristic Specifications
MATERIAL COPPER ALLOY 172 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-533,TEMPER AT FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT TIN OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR 22 SPRING TENSION
HOLE DIAMETER 1.650 INCHES NOMINAL
OUTSIDE DIAMETER 2.110 INCHES NOMINAL
OVERALL HEIGHT 0.368 INCHES NOMINAL
MATERIAL THICKNESS 0.016 INCHES NOMINAL
SPECIAL FEATURES ONE TAB,0.200 IN. W,ON EACH SIDE OF CENTER HOLE
MANUFACTURERS CODE 76301
DESIGN CONTROL REFERENCE ST4M178A2

Restrictions/Controls & Freight Information | NSN 5310-01-030-4918

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
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 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5310-01-030-4918

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
H
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
H
EA : Each