PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35312Washer,flat

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 5310-01-054-2560 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-054-2560 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-054-2560. Primary manufacturer part number: 35312.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL COMP 416 OVERALL
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment Document and Classification: SPS 209 METHOD 1,FSCM 99643 MFR REF SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Overall Diameter: 0.421 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Thickness: 0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-054-2560, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 11 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
NSN5310-01-054-2560
Primary Part Number35312
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
MaterialSTEEL COMP 416 OVERALL
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationSPS 209 METHOD 1,FSCM 99643 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Overall Diameter0.421 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
Hole Diameter0.278 INCHES NOMINAL IN
Hardness Rating25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5920-00-879-6285 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
5310PL1536790 Jednolity Indeks Materialowy - Uniform Material Index (POL)
35312 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
5920-00-879-6285INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5310-01-054-2560?

NSN 5310-01-054-2560 is a Washer,flat, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-054-2560?

NSN 5310-01-054-2560 has 2 cross-referenced part numbers: 5310PL1536790 (Jednolity Indeks Materialowy - Uniform Material Index), 35312 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 5310-01-054-2560?

There is 1 known substitute for 5310-01-054-2560: 5920-00-879-6285. Verify interchangeability with system specifications before substitution.

What are the specifications of 35312?

Key specifications for 35312: Material: STEEL COMP 416 OVERALL; Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment Document and Classification: SPS 209 METHOD 1,FSCM 99643 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL. 11 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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