PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12500802Washer,flat

Klein Marine Systems Inc · NSN 5310-01-508-8988 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-508-8988 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-508-8988. Primary manufacturer part number: 12500802.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Color: WHITE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.472 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
  • Hole Diameter: 0.252 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Nylon Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-508-8988, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Klein Marine Systems Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5310-01-508-8988
Primary Part Number12500802
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKlein Marine Systems Inc
StatusACTIVE
Center Hole Shape StyleROUND
ColorWHITE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.472 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Hole Diameter0.252 INCHES NOMINAL IN
MaterialPLASTIC NYLON OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-177-7974 INTERCHANGEABLE
Terminal,lug
5310-00-562-2826EE47529 INTERCHANGEABLE
Washer,flat
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
90295A140 Mcmaster-Carr Supply Co (USA)
12500802 PRIMARY Klein Marine Systems Inc (USA)
90295A140 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5940-00-177-7974INTERCHANGEABLE
TERMINAL,LUG
5310-00-562-2826INTERCHANGEABLE
WASHER,FLAT
EE47529

Frequently Asked Questions

What is NSN 5310-01-508-8988?

NSN 5310-01-508-8988 is a Washer,flat, manufactured by Klein Marine Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-508-8988?

NSN 5310-01-508-8988 has 3 cross-referenced part numbers: 90295A140 (Mcmaster-Carr Supply Co), 12500802 (Klein Marine Systems Inc), 90295A140 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5310-01-508-8988?

There are 2 known substitutes for 5310-01-508-8988: 5940-00-177-7974, 5310-00-562-2826. Verify interchangeability with system specifications before substitution.

What are the specifications of 12500802?

Key specifications for 12500802: Center Hole Shape Style: ROUND; Color: WHITE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 0.472 INCHES NOMINAL IN. 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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