Product Details | RECESSED WASHER

5310-00-231-7030 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: 68A1123002003, 68A112300-2003, 5310-00-231-7030, 00-231-7030, 5310002317030, 002317030

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 23 MAY 1973 00-231-7030

Demand History | NSN 5310-00-231-7030

Part Number Request Date QTY Origin
5310-00-231-7030 2025-07-190 1680 DIBBS
5310-00-231-7030 2025-05-131 746 DIBBS
5310-00-231-7030 2025-02-49 746 DIBBS
5310-00-231-7030 2024-10-289 430 Singapore
5310-00-231-7030 2024-04-100 746 DIBBS
5310-00-231-7030 2023-12-354 852 DIBBS
5310-00-231-7030 2023-06-162 477 DIBBS
5310-00-231-7030 2023-03-79 480 US
5310-00-231-7030 2023-03-64 477 DIBBS
5310-00-231-7030 2018-03-63 3081 DIBBS
5310-00-231-7030 2017-11-306 1473 DIBBS
5310-00-231-7030 2017-08-225 974 DIBBS
5310-00-231-7030 2016-11-322 1426 DIBBS
5310-00-231-7030 2016-08-221 1001 DIBBS
5310-00-231-7030 2016-04-111 1206 DIBBS
5310-00-231-7030 2015-06-165 301 DIBBS
5310-00-231-7030 2015-06-153 964 DIBBS
5310-00-231-7030 2015-05-133 1351 DIBBS
5310-00-231-7030 2014-12-356 801 DIBBS
5310-00-231-7030 2013-08-239 551 DIBBS
5310-00-231-7030 2012-10-290 551 DIBBS
5310-00-231-7030 2012-10-289 551 DIBBS
5310-00-231-7030 2009-09-247 600 DIBBS
5310-00-231-7030 2009-07-191 538 DIBBS
5310-00-231-7030 2008-11-323 400 DIBBS
5310-00-231-7030 2008-02-36 391 DIBBS

Cross Reference | NSN 5310-00-231-7030

Part Number Cage Code Manufacturer
68A112300-2003 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5310-00-231-7030

Characteristic Specifications
MATERIAL TITANIUM ALLOY UNS R54520
MATERIAL DOCUMENT AND CLASSIFICATION MIL-T-9047,TY 3,COND A MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CADMIUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION PS13101,CL2,TY2,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE
HARDNESS RATING NOT RATED
HOLE DIAMETER 0.514 INCHES MINIMUM AND 0.523 INCHES MAXIMUM
OUTSIDE DIAMETER 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM
RECESS DIAMETER 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM
MATERIAL THICKNESS 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
RECESS ANGLE 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM
MANUFACTURERS CODE 76301
DESIGN CONTROL REFERENCE 68A112300-2003

Restrictions/Controls & Freight Information | NSN 5310-00-231-7030

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 136500 METAL NOI/METAL ALLOYS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
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 5310-00-231-7030

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.
Materiel Management Aggregation CodeFXTG:F-15 EAGLE
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 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