PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42729Washer,flat

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 5310-01-316-5223 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-316-5223 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-316-5223. Primary manufacturer part number: 42729.
Features
  • Washer,flat — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-316-5223, 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. 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.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersEaton Aerospace Llc Dba Eaton Aerospace Jackson (CAGE 99643); Nimikkeistokeskus Ncb Finland (CAGE A486G)
Technical Specifications
ParameterValue
NSN5310-01-316-5223
Primary Part Number42729
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-01-178-238642729 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
2940-01-626-2228RS4161 INTERCHANGEABLE
Filter Element,intake Air Cleane
Baldwin Filters
Cross-Reference Index
Part NumberManufacturer
42729 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
10122194 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
5962-01-178-2386INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42729
2940-01-626-2228INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
RS4161

Frequently Asked Questions

What is NSN 5310-01-316-5223?

NSN 5310-01-316-5223 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 5310-01-316-5223?

NSN 5310-01-316-5223 has 2 cross-referenced part numbers: 42729 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 10122194 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 5310-01-316-5223?

There are 2 known substitutes for 5310-01-316-5223: 5962-01-178-2386, 2940-01-626-2228. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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