PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

176444Washer,flat

Lockheed Martin Corp · NSN 5310-00-599-8141 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-599-8141 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-599-8141. Primary manufacturer part number: 176444.
Features
  • Washer,flat — FSC 5310
  • Hardness Rating: 45.0 DUROMETER MINIMUM AND 55.0 DUROMETER MAXIMUM
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: RUBBER SYNTHETIC OVERALL
  • Material Document and Classification: AMS 3208 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-599-8141, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-599-8141
Primary Part Number176444
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Hardness Rating45.0 DUROMETER MINIMUM AND 55.0 DUROMETER MAXIMUM
Cross-Sectional Shape StyleRECTANGULAR
MaterialRUBBER SYNTHETIC OVERALL
Material Document and ClassificationAMS 3208 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Hole Diameter0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Overall Diameter0.570 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
Thickness0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2815-00-179-795242357 INTERCHANGEABLE
Cover,engine Poppet Valve Rocker
Cummins Inc.
1650-00-672-790217644-4 INTERCHANGEABLE
Filter Body,fluid
Lockheed Martin Corp
3120-01-367-6407163B5848 INTERCHANGEABLE
Bearing,plain,self-Aligning
Roller Bearing Company of America, Inc.
Cross-Reference Index
Part NumberManufacturer
176444 PRIMARY Lockheed Martin Corp (USA)
Related Parts
2815-00-179-7952INTERCHANGEABLE
COVER,ENGINE POPPET VALVE ROCKER
42357
1650-00-672-7902INTERCHANGEABLE
FILTER BODY,FLUID
17644-4
3120-01-367-6407INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
163B5848

Frequently Asked Questions

What is NSN 5310-00-599-8141?

NSN 5310-00-599-8141 is a Washer,flat, manufactured by Lockheed Martin Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-599-8141?

NSN 5310-00-599-8141 has 1 cross-referenced part number: 176444 (Lockheed Martin Corp).

What NSN replaces 5310-00-599-8141?

There are 3 known substitutes for 5310-00-599-8141: 2815-00-179-7952, 1650-00-672-7902, 3120-01-367-6407. Verify interchangeability with system specifications before substitution.

What are the specifications of 176444?

Key specifications for 176444: Hardness Rating: 45.0 DUROMETER MINIMUM AND 55.0 DUROMETER MAXIMUM; Cross-Sectional Shape Style: RECTANGULAR; Material: RUBBER SYNTHETIC OVERALL; Material Document and Classification: AMS 3208 ASSN STD SINGLE MATERIAL RESPONSE 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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