PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

280457PC6Washer,flat

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-184-9095 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-184-9095 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-184-9095. Primary manufacturer part number: 280457PC6.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 304 OVERALL
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-184-9095, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 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
NSN5310-00-184-9095
Primary Part Number280457PC6
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Overall Diameter0.375 INCHES NOMINAL IN
Thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 304 OVERALL
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Hole Diameter0.182 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-880-59780770-8 INTERCHANGEABLE
Washer,flat
Alliant Techsystems Operations Llc Div Defense Electronic Systems
Cross-Reference Index
Part NumberManufacturer
FFW92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
280457PC6 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
FFW92TYPEAGRADE2CLASSB Federal Specifications Promulgated by General Services Administration Washington DC (USA)
12Z22PC468 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
166216-164 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
113771PC20 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
264965PC13 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5310-00-880-5978INTERCHANGEABLE
WASHER,FLAT
0770-8

Frequently Asked Questions

What is NSN 5310-00-184-9095?

NSN 5310-00-184-9095 is a Washer,flat, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-184-9095?

NSN 5310-00-184-9095 has 7 cross-referenced part numbers: FFW92 (Federal Specifications Promulgated by General Services Administration Washington DC), 280457PC6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), FFW92TYPEAGRADE2CLASSB (Federal Specifications Promulgated by General Services Administration Washington DC), 12Z22PC468 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 166216-164 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 2 more.

What NSN replaces 5310-00-184-9095?

There is 1 known substitute for 5310-00-184-9095: 5310-00-880-5978. Verify interchangeability with system specifications before substitution.

What are the specifications of 280457PC6?

Key specifications for 280457PC6: Overall Diameter: 0.375 INCHES NOMINAL IN; Thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE OVERALL; Material: STEEL COMP 304 OVERALL. 9 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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