PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1149F1290PWasher,flat

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-655-9798 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-655-9798 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-655-9798. Primary manufacturer part number: NAS1149F1290P.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Material Document and Classification: MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Overall Diameter: 1.307 INCHES MINIMUM AND 1.332 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-655-9798, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-655-9798
Primary Part NumberNAS1149F1290P
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
MaterialSTEEL OVERALL
Material Document and ClassificationMIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Overall Diameter1.307 INCHES MINIMUM AND 1.332 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Thickness0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Hole Diameter0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN
Departure From Cited DesignatorAS MODIFIED BY THE FINISH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-244-3525 INTERCHANGEABLE
Washer,flat
5310-01-397-1776NAS1149F1290P INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NAS1149F1290P Leonardo Spa Helicopters Division - Production Site (ITA)
9387711129 Pilatus Aircraft Ltd (CHE)
NAS1149F1290P PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
AN960-1216 Aeronautical Standards Group Dept of Navy and Air Force (USA)
904294 Scandinavian Manufacturing Scama Ab (SWE)
Related Parts
5310-01-244-3525INTERCHANGEABLE
WASHER,FLAT
5310-01-397-1776INTERCHANGEABLE
WASHER,FLAT
NAS1149F1290P

Frequently Asked Questions

What is NSN 5310-00-655-9798?

NSN 5310-00-655-9798 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 5310-00-655-9798?

NSN 5310-00-655-9798 has 5 cross-referenced part numbers: NAS1149F1290P (Leonardo Spa Helicopters Division - Production Site), 9387711129 (Pilatus Aircraft Ltd), NAS1149F1290P (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), AN960-1216 (Aeronautical Standards Group Dept of Navy and Air Force), 904294 (Scandinavian Manufacturing Scama Ab).

What NSN replaces 5310-00-655-9798?

There are 2 known substitutes for 5310-00-655-9798: 5310-01-244-3525, 5310-01-397-1776. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1149F1290P?

Key specifications for NAS1149F1290P: Material: STEEL OVERALL; Material Document and Classification: MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment: CADMIUM OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

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