PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40357Washer,flat

Fastenal Company Div Fastenal-Hyma · NSN 5310-01-620-7038 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-620-7038 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-620-7038. Primary manufacturer part number: 40357.
Features
  • Washer,flat — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Fastenal Company Div Fastenal-Hyma
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-620-7038, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Div Fastenal-Hyma. 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.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersFastenal Company Div Fastenal-Hyma (CAGE 43UT5)
Technical Specifications
ParameterValue
NSN5310-01-620-7038
Primary Part Number40357
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Div Fastenal-Hyma
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-138-0010C4369 INTERCHANGEABLE
Gasket
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5340-00-354-114710365-62 INTERCHANGEABLE
Plug,expansion
Cummins Inc.
4730-00-471-3102022T-4-4B INTERCHANGEABLE
Tee,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5365-01-129-869340357 INTERCHANGEABLE
Bushing
Allianz Sweeper Company
2990-01-412-110640357 INTERCHANGEABLE
Pipe,exhaust
Napa Automotive Parts Co
5310-01-602-40753011416 INTERCHANGEABLE
Washer,flat
Rexel Usa, Inc. Dba Gexpro Div Gexpro
Cross-Reference Index
Part NumberManufacturer
40357 PRIMARY Fastenal Company Div Fastenal-Hyma (USA)
Related Parts
5330-00-138-0010INTERCHANGEABLE
GASKET
C4369
5340-00-354-1147INTERCHANGEABLE
PLUG,EXPANSION
10365-62
4730-00-471-3102INTERCHANGEABLE
TEE,PIPE
022T-4-4B
5365-01-129-8693INTERCHANGEABLE
BUSHING
40357
2990-01-412-1106INTERCHANGEABLE
PIPE,EXHAUST
40357
5310-01-602-4075INTERCHANGEABLE
WASHER,FLAT
3011416

Frequently Asked Questions

What is NSN 5310-01-620-7038?

NSN 5310-01-620-7038 is a Washer,flat, manufactured by Fastenal Company Div Fastenal-Hyma, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-620-7038?

NSN 5310-01-620-7038 has 1 cross-referenced part number: 40357 (Fastenal Company Div Fastenal-Hyma).

What NSN replaces 5310-01-620-7038?

There are 6 known substitutes for 5310-01-620-7038: 5330-00-138-0010, 5340-00-354-1147, 4730-00-471-3102 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com