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NSN 5310-01-645-7395Government record, cited

Washer, Lock5310-01-645-7395

NSN 5310-01-645-7395 · NIIN 016457395 · Part number 1171109
Fastenal Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 36RC4
Government record, cited
NSN 5310-01-645-7395 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-645-7395. Manufacturer of record part number: 1171109.
Also searched as  5310-01-645-7395 · 5310016457395 · NIIN 016457395 · 01-645-7395 · FSC 5310 Nuts and Washers · CAGE 36RC4 · 1171109
Nearby stock numbers  ·
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Outside Diameter: 0.381 INCHES NOMINAL IN
  • Material Thickness: 0.024 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Internal Key Quantity: 12
  • Hole Diameter: 0.204 INCHES NOMINAL IN
  • 1 manufacturer part number on file
Identification
  • NSN: 5310-01-645-7395
  • NIIN: 016457395
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 1171109
  • Manufacturer: Fastenal Company
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-645-7395, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company. Government technical data includes 6 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
NSN5310-01-645-7395
Primary Part Number1171109
Item NameWasher,lock
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerFastenal Company
StatusACTIVE
Style DesignatorFLAT INTERNAL TEETH
Outside Diameter0.381 INCHES NOMINAL IN
Material Thickness0.024 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Internal Key Quantity12
Hole Diameter0.204 INCHES NOMINAL 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
1171109 PRIMARY Fastenal Company (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 5310-01-645-7395?

NSN 5310-01-645-7395 is a Washer,lock, manufactured by Fastenal Company, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-645-7395?

NSN 5310-01-645-7395 has 1 manufacturer part number on file: 1171109 (Fastenal Company).

What are the specifications of 1171109?

Key specifications for 1171109: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 0.381 INCHES NOMINAL IN; Material Thickness: 0.024 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: S/S INTERNAL TOOTH LOCK WASHER. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-645-7395 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.
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