PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1149C0632BWasher,flat

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-01-011-4055 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-011-4055 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-011-4055. Primary manufacturer part number: NAS1149C0632B.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Color: BLACK OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nondefinitive Spec/std Data: A TYPE AND 2 GRADE AND B CLASS
  • Surface Treatment: OXIDE FILM OVERALL
  • Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-011-4055, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-011-4055
Primary Part NumberNAS1149C0632B
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
StatusCANCELLED
Center Hole Shape StyleROUND
ColorBLACK OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std DataA TYPE AND 2 GRADE AND B CLASS
Surface TreatmentOXIDE FILM OVERALL
Surface Treatment Document and ClassificationMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Thickness0.032 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Hole Diameter0.390 INCHES NOMINAL IN
Overall Diameter0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-00-183-4355 INTERCHANGEABLE
Washer,flat
5310-00-307-1568 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
5310PL0204347 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AN960XC616 Zf Industrieantriebe Witten Gmbh (DEU)
NAS1149C0632B PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
AN960XC616L Aeronautical Standards Group Dept of Navy and Air Force (USA)
FF-W-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
10088043 Nimikkeistokeskus Ncb Finland (FIN)
2W17-616M The Boeing Company Div Legacy Am&m (USA)
Related Parts
5310-00-183-4355INTERCHANGEABLE
WASHER,FLAT
5310-00-307-1568INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-01-011-4055?

NSN 5310-01-011-4055 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: cancelled.

What are the part numbers for NSN 5310-01-011-4055?

NSN 5310-01-011-4055 has 7 cross-referenced part numbers: 5310PL0204347 (Jednolity Indeks Materialowy - Uniform Material Index), AN960XC616 (Zf Industrieantriebe Witten Gmbh), NAS1149C0632B (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), AN960XC616L (Aeronautical Standards Group Dept of Navy and Air Force), FF-W-92 (Federal Specifications Promulgated by General Services Administration Washington DC) and 2 more.

What NSN replaces 5310-01-011-4055?

There are 2 known substitutes for 5310-01-011-4055: 5310-00-183-4355, 5310-00-307-1568. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1149C0632B?

Key specifications for NAS1149C0632B: Center Hole Shape Style: ROUND; Color: BLACK OVERALL; Material: STEEL CORROSION RESISTING OVERALL; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-011-4055 still in active supply?

NSN 5310-01-011-4055 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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