Product Details | RECESSED WASHER

5310-01-057-0186 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: MS21206C7, MS21206-C7, VA970504001, VA-97-0504-001, 5310-01-057-0186, 01-057-0186, 5310010570186, 010570186

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 05 MAR 1978 01-057-0186

Drawings & Photos | NSN 5310-01-057-0186


Demand History | NSN 5310-01-057-0186

Part Number Request Date QTY Origin
5310-01-057-0186 2017-04-107 5 Malaysia
5310-01-057-0186 2017-04-107 5 Malaysia
5310-01-057-0186 2017-04-107 5 Malaysia
5310-01-057-0186 2017-04-94 5 MY
MS21206C7 2016-09-256 5 Malaysia
5310-01-057-0186 2016-06-154 15722 DIBBS
5310-01-057-0186 2015-07-210 7478 DIBBS
5310-01-057-0186 2014-02-35 2 CA
MS21206C7 2013-12-337 10 CA
MS21206C7 2013-12-336 10 CA
MS21206C7 2013-08-219 23 US
5310-01-057-0186 2013-04-119 100 Canada
5310-01-057-0186 2013-04-119 100 Canada
5310-01-057-0186 2013-04-115 4 Canada
5310-01-057-0186 2012-12-347 2 Canada
5310-01-057-0186 2012-01-05 10 Canada
MS21206C7 2011-03-74 5 United States
MS21206C7 2009-10-293 15 us
5310-01-057-0186 2008-06-155 16006 DIBBS
MS21206C7 2008-05-129 16 Colombia

Cross Reference | NSN 5310-01-057-0186

Part Number Cage Code Manufacturer
MS21206-C7 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
VA-97-0504-001 K0668 SELEX ES LTD DBA SELEX S & A S

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Technical Data | NSN 5310-01-057-0186

Characteristic Specifications
MATERIAL STEEL COMP 4130
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-658 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 2ND MATERIAL RESPONSE
SURFACE TREATMENT CADMIUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
HOLE DIAMETER 0.439 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
OUTSIDE DIAMETER 0.773 INCHES MINIMUM AND 0.783 INCHES MAXIMUM
RECESS DIAMETER 0.559 INCHES MINIMUM AND 0.569 INCHES MAXIMUM
MATERIAL THICKNESS 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
RECESS ANGLE 90.0 DEGREES NOMINAL
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21206-C7

Restrictions/Controls & Freight Information | NSN 5310-01-057-0186

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 5310-01-057-0186

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