PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1149G0890BWasher,flat

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-01-730-9066 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-730-9066 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-730-9066. Primary manufacturer part number: NAS1149G0890B.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment Document and Classification: UNABLE TO DECODE
  • Hole Diameter: 0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Color: UNABLE TO DECODE
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.870 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Unable to Decode construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-730-9066, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-730-9066
Primary Part NumberNAS1149G0890B
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
Surface Treatment Document and ClassificationUNABLE TO DECODE
Hole Diameter0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
ColorUNABLE TO DECODE
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.870 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Material Document and ClassificationUNABLE TO DECODE
MaterialUNABLE TO DECODE
Thickness0.090 INCHES NOMINAL IN
Surface TreatmentOXIDE OVERALL
Specification/standard Data80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5998-00-102-6935 INTERCHANGEABLE
Circuit Card Assembly
5120-00-540-4273HSF-20H INTERCHANGEABLE
Face,hammer,inserted
Williams J H Industrial Products Inc
4820-00-720-4488 INTERCHANGEABLE
Cock,drain
6145-00-767-34278520 0031000 INTERCHANGEABLE
Wire,electrical
Belden Wire and Cable Co Wire and Cable Office
4730-01-496-6678 INTERCHANGEABLE
Coupling,tube
5310-01-730-9095NAS1149G08125B INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NAS1149G0890B PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
85203 Cepeda Associates, Inc. Dba Cepeda Associates Inc (USA)
12834-20 Cepeda Associates, Inc. Dba Cepeda Associates Inc (USA)
Related Parts
5998-00-102-6935INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5120-00-540-4273INTERCHANGEABLE
FACE,HAMMER,INSERTED
HSF-20H
4820-00-720-4488INTERCHANGEABLE
COCK,DRAIN
6145-00-767-3427INTERCHANGEABLE
WIRE,ELECTRICAL
8520 0031000
4730-01-496-6678INTERCHANGEABLE
COUPLING,TUBE
5310-01-730-9095INTERCHANGEABLE
WASHER,FLAT
NAS1149G08125B

Frequently Asked Questions

What is NSN 5310-01-730-9066?

NSN 5310-01-730-9066 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 5310-01-730-9066?

NSN 5310-01-730-9066 has 3 cross-referenced part numbers: NAS1149G0890B (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 85203 (Cepeda Associates, Inc. Dba Cepeda Associates Inc), 12834-20 (Cepeda Associates, Inc. Dba Cepeda Associates Inc).

What NSN replaces 5310-01-730-9066?

There are 6 known substitutes for 5310-01-730-9066: 5998-00-102-6935, 5120-00-540-4273, 4820-00-720-4488 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1149G0890B?

Key specifications for NAS1149G0890B: Surface Treatment Document and Classification: UNABLE TO DECODE; Hole Diameter: 0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND; Color: UNABLE TO DECODE. 13 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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