PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN961-6TWasher,flat

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-136-1472 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-136-1472 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-136-1472. Primary manufacturer part number: AN961-6T.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: TIN OVERALL
  • Material: COPPER ALLOY 268 OR COPPER ALLOY 270 OVERALL
  • Material Document and Classification: QQ-W-321,1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 268 or Copper Alloy 270 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-136-1472, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-136-1472
Primary Part NumberAN961-6T
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Hole Diameter0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentTIN OVERALL
MaterialCOPPER ALLOY 268 OR COPPER ALLOY 270 OVERALL
Material Document and ClassificationQQ-W-321,1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Overall Diameter0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-167-0699004-003081-021 INTERCHANGEABLE
Washer,flat
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Cross-Reference Index
Part NumberManufacturer
5310001361472 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
10116567 Nimikkeistokeskus Ncb Finland (FIN)
AN961-6T PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
AN961-6T Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5310-00-167-0699INTERCHANGEABLE
WASHER,FLAT
004-003081-021

Frequently Asked Questions

What is NSN 5310-00-136-1472?

NSN 5310-00-136-1472 is a Washer,flat, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-136-1472?

NSN 5310-00-136-1472 has 4 cross-referenced part numbers: 5310001361472 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 10116567 (Nimikkeistokeskus Ncb Finland), AN961-6T (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), AN961-6T (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5310-00-136-1472?

There is 1 known substitute for 5310-00-136-1472: 5310-00-167-0699. Verify interchangeability with system specifications before substitution.

What are the specifications of AN961-6T?

Key specifications for AN961-6T: Hole Diameter: 0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment: TIN OVERALL; Material: COPPER ALLOY 268 OR COPPER ALLOY 270 OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com