Product Details | RECESSED WASHER

5310-01-483-0360 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: MS21299C4K, MS21299-C4K, 5310-01-483-0360, 01-483-0360, 5310014830360, 014830360

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 14 MAR 2001 01-483-0360

Drawings & Photos | NSN 5310-01-483-0360


Demand History | NSN 5310-01-483-0360

Part Number Request Date QTY Origin
5310-01-483-0360 2025-09-267 1609 DIBBS
5310-01-483-0360 2025-09-259 1609 DIBBS
5310-01-483-0360 2025-05-148 20 US
MS21299C4K 2025-02-58 12 United States
MS21299C4K 2022-12-355 100 Germany
5310-01-483-0360 2018-11-305 3595 DIBBS
5310-01-483-0360 2018-08-241 1737 DIBBS
MS21299C4K 2016-11-316 300 United States
MS21299C4K 2016-02-60 55 US
MS21299C4K 2015-02-41 100 United States
5310-01-483-0360 2014-09-267 1600 DK
MS21299C4K 2014-06-162 30 United States
MS21299C4K 2014-01-27 25 United States
5310-01-483-0360 2013-11-318 1000 US
5310-01-483-0360 2013-02-45 7123 DIBBS
5310-01-483-0360 2012-04-107 1983 DIBBS
5310-01-483-0360 2009-06-152 4174 DIBBS
5310-01-483-0360 2009-02-36 2427 DIBBS
MS21299C4K 2008-06-165 120 United States
MS21299C4K 2007-12-341 15 US

Cross Reference | NSN 5310-01-483-0360

Part Number Cage Code Manufacturer
MS21299-C4K 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS21299C4K 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5310-01-483-0360

Characteristic Specifications
MATERIAL STEEL COMP 630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5604,17-4PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 15 RECESS
HOLE DIAMETER 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
OUTSIDE DIAMETER 0.481 INCHES MINIMUM AND 0.491 INCHES MAXIMUM
RECESS DIAMETER 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
MATERIAL THICKNESS 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM
RECESS ANGLE 90.0 DEGREES NOMINAL
SURFACE FINISH 125.0 MICROINCHES ALL SURFACES
SPECIFICATION/STANDARD DATA 80205-NASM21299 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
III END ITEM IDENTIFICATION 1055-01-450-4243;LAUNCHER,ROCKET, ARMORED VEHICLE MOUNTED:MULTIPLE LAUNCH ROCKET SYSTEM

Restrictions/Controls & Freight Information | NSN 5310-01-483-0360

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 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code KH Defense Industrial Supply Center
Philadelphia, PA 19111
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 5310-01-483-0360

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 Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
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 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
M
EA : Each
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.
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
M
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
M
EA : Each