PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35408Washer,flat

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 5310-01-054-2561 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-054-2561 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-054-2561. Primary manufacturer part number: 35408.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.715 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 260 OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.434 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 260 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-054-2561, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-054-2561
Primary Part Number35408
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Overall Diameter0.715 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 260 OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Hole Diameter0.434 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Thickness0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5845-00-003-283835408 INTERCHANGEABLE
Ring
L3harris Technologies, Inc.
5935-00-467-15232132490-1 INTERCHANGEABLE
Cover,electrical Connector
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5340-00-626-307735408 INTERCHANGEABLE
Clamp,loop
Walker Mfg Co
3020-01-014-631935408 INTERCHANGEABLE
Gear,spur
Safran Power Usa Llc
5306-01-408-713911198 INTERCHANGEABLE
Bolt,u
Hindley Manufacturing Company Inc
5120-01-430-5684212-3/8A INTERCHANGEABLE
Bit,screwdriver
Apex Tool Group, Llc
Cross-Reference Index
Part NumberManufacturer
35408 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
5845-00-003-2838INTERCHANGEABLE
RING
35408
5935-00-467-1523INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
2132490-1
5340-00-626-3077INTERCHANGEABLE
CLAMP,LOOP
35408
3020-01-014-6319INTERCHANGEABLE
GEAR,SPUR
35408
5306-01-408-7139INTERCHANGEABLE
BOLT,U
11198
5120-01-430-5684INTERCHANGEABLE
BIT,SCREWDRIVER
212-3/8A

Frequently Asked Questions

What is NSN 5310-01-054-2561?

NSN 5310-01-054-2561 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 5310-01-054-2561?

NSN 5310-01-054-2561 has 1 cross-referenced part number: 35408 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 5310-01-054-2561?

There are 6 known substitutes for 5310-01-054-2561: 5845-00-003-2838, 5935-00-467-1523, 5340-00-626-3077 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35408?

Key specifications for 35408: Overall Diameter: 0.715 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 260 OVERALL. 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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