PartsTable TECHNICAL DATA SHEET
NSN 5310-00-209-4891Government record, cited

Washer, Lock5310-00-209-4891

NSN 5310-00-209-4891 · NIIN 002094891 · Part number 7372642
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 19207
Government record, cited
NSN 5310-00-209-4891 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-4891. Manufacturer of record part number: 7372642.
Also searched as  5310-00-209-4891 · 5310002094891 · NIIN 002094891 · 00-209-4891 · FSC 5310 Nuts and Washers · CAGE 19207 · 7372642
Nearby stock numbers  ·
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.678 INCHES MAXIMUM IN
  • Material Thickness: 0.070 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: A CLASS AND 1 STYLE
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
Identification
  • NSN: 5310-00-209-4891
  • NIIN: 002094891
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 7372642
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-209-4891, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-209-4891
Primary Part Number7372642
Item NameWasher,lock
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.678 INCHES MAXIMUM IN
Material Thickness0.070 INCHES NOMINAL IN
Nondefinitive Spec/std DataA CLASS AND 1 STYLE
Surface TreatmentCADMIUM OR ZINC OVERALL
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
7372642 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-00-209-4891?

NSN 5310-00-209-4891 is a Washer,lock, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-209-4891?

NSN 5310-00-209-4891 has 1 manufacturer part number on file: 7372642 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 7372642?

Key specifications for 7372642: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.678 INCHES MAXIMUM IN; Material Thickness: 0.070 INCHES NOMINAL IN; Nondefinitive Spec/std Data: A CLASS AND 1 STYLE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-209-4891 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com