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NSN 5310-01-612-5801Government record, cited

Washer, Lock5310-01-612-5801

NSN 5310-01-612-5801 · NIIN 016125801 · Part number 91113A038
Mcmaster-Carr Supply Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 39428
Government record, cited
NSN 5310-01-612-5801 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-612-5801. Manufacturer of record part number: 91113A038.
Also searched as  5310-01-612-5801 · 5310016125801 · NIIN 016125801 · 01-612-5801 · FSC 5310 Nuts and Washers · CAGE 39428 · 91113A038
Nearby stock numbers  ·
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Outside Diameter: 1.637 INCHES MAXIMUM IN
  • Material Thickness: 0.062 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
  • Material: STEEL OVERALL
  • Internal Key Quantity: 12
  • Hole Diameter: 1.060 INCHES MAXIMUM IN
Identification
  • NSN: 5310-01-612-5801
  • NIIN: 016125801
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 91113A038
  • Manufacturer: Mcmaster-Carr Supply Co
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-612-5801, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. 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
NSN5310-01-612-5801
Primary Part Number91113A038
Item NameWasher,lock
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Style DesignatorFLAT INTERNAL TEETH
Outside Diameter1.637 INCHES MAXIMUM IN
Material Thickness0.062 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
MaterialSTEEL OVERALL
Internal Key Quantity12
Hole Diameter1.060 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
91113A038 PRIMARY Mcmaster-Carr Supply Co (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 5310-01-612-5801?

NSN 5310-01-612-5801 is a Washer,lock, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-612-5801?

NSN 5310-01-612-5801 has 1 manufacturer part number on file: 91113A038 (Mcmaster-Carr Supply Co).

What are the specifications of 91113A038?

Key specifications for 91113A038: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 1.637 INCHES MAXIMUM IN; Material Thickness: 0.062 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-612-5801 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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