PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55000405Washer,lock

General Dynamics Ordnance and Tactical Systems, Inc. · NSN 5310-01-597-9171 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-597-9171 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-597-9171. Primary manufacturer part number: 55000405.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • 2 verified cross-references
  • Primary manufacturer: General Dynamics Ordnance and Tactical Systems, Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-597-9171, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics Ordnance and Tactical Systems, Inc.. Government technical data includes 2 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-597-9171
Primary Part Number55000405
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Dynamics Ordnance and Tactical Systems, Inc.
StatusACTIVE
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-088-8792 INTERCHANGEABLE
Semiconductor Device,diode
1680-00-732-014933893 INTERCHANGEABLE
Sleeve,load Limit S
Aerocontrolex Group, Inc. Div Talley Actuators
4820-01-165-38443389-3 INTERCHANGEABLE
Gland Assembly,valve
Flowserve Corporation Div Flowserve Us Inc
6550-01-487-6919CT0036B INTERCHANGEABLE
Test,susceptibility,nitrofuranto
Remel Inc.
4730-01-514-1071040127031D INTERCHANGEABLE
Strainer Body,sediment
Tate Andale, Llc
5310-01-564-353333893 INTERCHANGEABLE
Washer,lock
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
33893 Wells Technology, Inc. (USA)
55000405 PRIMARY General Dynamics Ordnance and Tactical Systems, Inc. (USA)
Related Parts
5961-00-088-8792INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1680-00-732-0149INTERCHANGEABLE
SLEEVE,LOAD LIMIT S
33893
4820-01-165-3844INTERCHANGEABLE
GLAND ASSEMBLY,VALVE
3389-3
6550-01-487-6919INTERCHANGEABLE
TEST,SUSCEPTIBILITY,NITROFURANTO
CT0036B
4730-01-514-1071INTERCHANGEABLE
STRAINER BODY,SEDIMENT
040127031D
5310-01-564-3533INTERCHANGEABLE
WASHER,LOCK
33893

Frequently Asked Questions

What is NSN 5310-01-597-9171?

NSN 5310-01-597-9171 is a Washer,lock, manufactured by General Dynamics Ordnance and Tactical Systems, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-597-9171?

NSN 5310-01-597-9171 has 2 cross-referenced part numbers: 33893 (Wells Technology, Inc.), 55000405 (General Dynamics Ordnance and Tactical Systems, Inc.).

What NSN replaces 5310-01-597-9171?

There are 6 known substitutes for 5310-01-597-9171: 5961-00-088-8792, 1680-00-732-0149, 4820-01-165-3844 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55000405?

Key specifications for 55000405: Part Name Assigned by Controlling Agency: WASHER, LOCK; Special Features: 3/8 INCH IN; Material: STEEL OVERALL; Surface Treatment: ZINC OVERALL. 4 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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