PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

028274Washer,flat

Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems · NSN 5310-00-861-2318 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-861-2318 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-861-2318. Primary manufacturer part number: 028274.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.001 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Thickness: 0.059 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-861-2318, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-861-2318
Primary Part Number028274
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerZf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
StatusACTIVE
Overall Diameter1.001 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Thickness0.059 INCHES NOMINAL IN
Hole Diameter0.699 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4140-00-529-7463 INTERCHANGEABLE
Fan,tubeaxial
Cross-Reference Index
Part NumberManufacturer
35P191 White Farm Equipment Co Sub of Tic Investment Inc (USA)
028274 PRIMARY Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA)
Related Parts
4140-00-529-7463INTERCHANGEABLE
FAN,TUBEAXIAL

Frequently Asked Questions

What is NSN 5310-00-861-2318?

NSN 5310-00-861-2318 is a Washer,flat, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-861-2318?

NSN 5310-00-861-2318 has 2 cross-referenced part numbers: 35P191 (White Farm Equipment Co Sub of Tic Investment Inc), 028274 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems).

What NSN replaces 5310-00-861-2318?

There is 1 known substitute for 5310-00-861-2318: 4140-00-529-7463. Verify interchangeability with system specifications before substitution.

What are the specifications of 028274?

Key specifications for 028274: Overall Diameter: 1.001 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL; Peripheral Shape Style: ROUND. 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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