PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43443Washer,flat

Triumph Engine Control Systems Llc · NSN 5310-00-831-2332 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-831-2332 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-831-2332. Primary manufacturer part number: 43443.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: AMS 5515 OR 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 302 OVERALL
  • Surface Treatment: OXIDE FILM OVERALL
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.327 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
  • Heat Treatment: AS FABRICATED
  • Thickness: 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
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 5310-00-831-2332, 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 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-831-2332
Primary Part Number43443
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Material Document and ClassificationAMS 5515 OR 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 302 OVERALL
Surface TreatmentOXIDE FILM OVERALL
Peripheral Shape StyleROUND
Hole Diameter0.327 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
Heat TreatmentAS FABRICATED
Thickness0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.847 INCHES MINIMUM AND 0.853 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-118-934943443 INTERCHANGEABLE
Washer,key
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4730-00-287-481450607DX INTERCHANGEABLE
Elbow,pipe to Tube
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5950-00-691-004743443 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
6240-01-345-2248F90T17/CW/SS INTERCHANGEABLE
Lamp,fluorescent
Gte Products Corp Sylvania Miniature Lighting Div
5136-01-625-499743443 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
Cross-Reference Index
Part NumberManufacturer
43443 PRIMARY Triumph Engine Control Systems Llc (USA)
43443 Goodrich Control Systems Gmbh (DEU)
Related Parts
5310-00-118-9349INTERCHANGEABLE
WASHER,KEY
43443
4730-00-287-4814INTERCHANGEABLE
ELBOW,PIPE TO TUBE
50607DX
5950-00-691-0047INTERCHANGEABLE
TRANSFORMER,POWER
43443
6240-01-345-2248INTERCHANGEABLE
LAMP,FLUORESCENT
F90T17/CW/SS
5136-01-625-4997INTERCHANGEABLE
TAP,THREAD CUTTING
43443

Frequently Asked Questions

What is NSN 5310-00-831-2332?

NSN 5310-00-831-2332 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 5310-00-831-2332?

NSN 5310-00-831-2332 has 2 cross-referenced part numbers: 43443 (Triumph Engine Control Systems Llc), 43443 (Goodrich Control Systems Gmbh).

What NSN replaces 5310-00-831-2332?

There are 5 known substitutes for 5310-00-831-2332: 5310-00-118-9349, 4730-00-287-4814, 5950-00-691-0047 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43443?

Key specifications for 43443: Material Document and Classification: AMS 5515 OR 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 302 OVERALL; Surface Treatment: OXIDE FILM OVERALL; Peripheral Shape Style: ROUND. 10 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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