PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38402Washer,flat

Fastenal Company Dba Fastenal Co · NSN 5310-01-591-5784 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-591-5784 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-591-5784. Primary manufacturer part number: 38402.
Features
  • Washer,flat — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Fastenal Company Dba Fastenal Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-591-5784, 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 Dba Fastenal Co. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 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)
ManufacturersGeneral Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (CAGE 1EFH8); Fastenal Company Dba Fastenal Co (CAGE 0Y3H3)
Technical Specifications
ParameterValue
NSN5310-01-591-5784
Primary Part Number38402
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-064-172438402 INTERCHANGEABLE
Bushing,sleeve
Prestolite Electric Inc
5895-00-505-068938402 INTERCHANGEABLE
Control,indicator
L3harris Technologies, Inc Div Space & Airborne Systems
5985-01-086-0093ST5M1609-002 INTERCHANGEABLE
Dummy Load,electrical
The Boeing Company Div Defense
6210-01-133-7792 INTERCHANGEABLE
Light Assembly,indicator
4730-01-341-523838402REVC INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
5310-01-513-854412759-00299 INTERCHANGEABLE
Washer,flat
Fastenal Company Dba Fastenal Co
5310-01-557-07503011700 INTERCHANGEABLE
Washer,flat
Motor City Fasteners Inc
5310-01-557-08413011703 INTERCHANGEABLE
Washer,flat
Motor City Fasteners Inc
8030-01-569-0160 INTERCHANGEABLE
Primer,sealing Compound
5310-01-570-396111103701 INTERCHANGEABLE
Washer,flat
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
S000024 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
38402 PRIMARY Fastenal Company Dba Fastenal Co (USA)
3011699 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
Related Parts
3120-00-064-1724INTERCHANGEABLE
BUSHING,SLEEVE
38402
5895-00-505-0689INTERCHANGEABLE
CONTROL,INDICATOR
38402
5985-01-086-0093INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
ST5M1609-002
6210-01-133-7792INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
4730-01-341-5238INTERCHANGEABLE
EXPANSION JOINT,PIPE
38402REVC
5310-01-513-8544INTERCHANGEABLE
WASHER,FLAT
12759-00299
5310-01-557-0750INTERCHANGEABLE
WASHER,FLAT
3011700
5310-01-557-0841INTERCHANGEABLE
WASHER,FLAT
3011703
8030-01-569-0160INTERCHANGEABLE
PRIMER,SEALING COMPOUND
5310-01-570-3961INTERCHANGEABLE
WASHER,FLAT
11103701
5310-01-578-7473INTERCHANGEABLE
WASHER,FLAT
1140358
5310-01-579-6956INTERCHANGEABLE
WASHER,FLAT
AEW23X04R000GA2AC1

Frequently Asked Questions

What is NSN 5310-01-591-5784?

NSN 5310-01-591-5784 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-591-5784?

NSN 5310-01-591-5784 has 3 cross-referenced part numbers: S000024 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 38402 (Fastenal Company Dba Fastenal Co), 3011699 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp).

What NSN replaces 5310-01-591-5784?

There are 12 known substitutes for 5310-01-591-5784: 3120-00-064-1724, 5895-00-505-0689, 5985-01-086-0093 and 9 more. Verify interchangeability with system specifications before substitution.

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