Product Details | LOCK WASHER

5310-01-178-1955 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part Alternates: 91100369, 91100369N, 5310-01-178-1955, 01-178-1955, 5310011781955, 011781955

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 02 MAY 1984 01-178-1955

Drawings & Photos | NSN 5310-01-178-1955


Demand History | NSN 5310-01-178-1955

Part Number Request Date QTY Origin
91100369N 2024-07-199 777 DIBBS
91100369N 2024-07-184 777 DIBBS
91100369N 2023-10-290 394 DIBBS
91100369N 2023-06-170 394 DIBBS
91100369N 2022-09-261 394 DIBBS
91100369N 2022-03-87 2099 DIBBS
91100369N 2022-03-75 2099 DIBBS
91100369N 2021-09-252 1355 DIBBS
91100369N 2021-06-181 437 DIBBS
91100369N 2021-06-153 168 DIBBS
91100369N 2021-05-125 168 DIBBS
5310-01-178-1955 2018-10-304 1103 DIBBS
5310-01-178-1955 2015-07-207 2259 DIBBS
5310-01-178-1955 2015-02-43 1554 DIBBS
5310-01-178-1955 2014-10-281 909 DIBBS
5310-01-178-1955 2014-04-120 553 DIBBS
5310-01-178-1955 2013-05-150 527 DIBBS
5310-01-178-1955 2013-05-145 0 DIBBS
5310-01-178-1955 2013-01-03 155 DIBBS
5310-01-178-1955 2012-11-318 63 DIBBS
5310-01-178-1955 2012-01-19 333 DIBBS
5310-01-178-1955 2010-06-176 589 DIBBS
5310-01-178-1955 2009-09-245 589 DIBBS

Cross Reference | NSN 5310-01-178-1955

Part Number Cage Code Manufacturer
91100369 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE
91100369N 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE

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Technical Data | NSN 5310-01-178-1955

Characteristic Specifications
MATERIAL STEEL OVERALL
HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 101 FLAT INTERNAL TEETH
HOLE DIAMETER 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
OUTSIDE DIAMETER 0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
MATERIAL THICKNESS 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-178-1955

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: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.
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 5310-01-178-1955

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.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each