PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8193377Washer,flat

Us Army Aviation and Missile Command · NSN 5310-00-331-3235 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-331-3235 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-331-3235. Primary manufacturer part number: 8193377.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Thickness: 0.032 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
  • Material: COPPER ALLOY 116 OR COPPER ALLOY OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 116 or Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-331-3235, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 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
NSN5310-00-331-3235
Primary Part Number8193377
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Overall Diameter0.375 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Thickness0.032 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Hole Diameter0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
MaterialCOPPER ALLOY 116 OR COPPER ALLOY OVERALL
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
8193377 PRIMARY Us Army Aviation and Missile Command (USA)
AN960B6 Aeronautical Standards Group Dept of Navy and Air Force (USA)
LS12906-43 Lockheed Martin Corp (USA)
24-00013-056 PRIMARY Raytheon Company (USA)
Related Parts
5310-00-167-0699INTERCHANGEABLE
WASHER,FLAT
004-003081-021

Frequently Asked Questions

What is NSN 5310-00-331-3235?

NSN 5310-00-331-3235 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-331-3235?

NSN 5310-00-331-3235 has 4 cross-referenced part numbers: 8193377 (Us Army Aviation and Missile Command), AN960B6 (Aeronautical Standards Group Dept of Navy and Air Force), LS12906-43 (Lockheed Martin Corp), 24-00013-056 (Raytheon Company).

What NSN replaces 5310-00-331-3235?

There is 1 known substitute for 5310-00-331-3235: 5310-00-167-0699. Verify interchangeability with system specifications before substitution.

What are the specifications of 8193377?

Key specifications for 8193377: Overall Diameter: 0.375 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL; Thickness: 0.032 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR. 8 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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