PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25634Washer,flat

Triumph Engine Control Systems Llc · NSN 5310-00-831-2341 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-831-2341 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-831-2341. Primary manufacturer part number: 25634.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL COMP 302 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Hole Diameter: 0.200 INCHES NOMINAL IN
  • Overall Diameter: 0.850 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: AMS 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-831-2341, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-00-831-2341
Primary Part Number25634
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL COMP 302 OVERALL
Surface TreatmentPASSIVATE OVERALL
Hole Diameter0.200 INCHES NOMINAL IN
Overall Diameter0.850 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Material Document and ClassificationAMS 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape StyleROUND
Thickness0.020 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5133-00-233-6463 INTERCHANGEABLE
Drill,twist
5360-01-037-7319 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
25634 Goodrich Control Systems Gmbh (DEU)
25634 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
5133-00-233-6463INTERCHANGEABLE
DRILL,TWIST
5360-01-037-7319INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 5310-00-831-2341?

NSN 5310-00-831-2341 is a Washer,flat, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-831-2341?

NSN 5310-00-831-2341 has 2 cross-referenced part numbers: 25634 (Goodrich Control Systems Gmbh), 25634 (Triumph Engine Control Systems Llc).

What NSN replaces 5310-00-831-2341?

There are 2 known substitutes for 5310-00-831-2341: 5133-00-233-6463, 5360-01-037-7319. Verify interchangeability with system specifications before substitution.

What are the specifications of 25634?

Key specifications for 25634: Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL COMP 302 OVERALL; Surface Treatment: PASSIVATE OVERALL; Hole Diameter: 0.200 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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