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NSN 5310-01-533-5500Government record, cited

Washer, Lock5310-01-533-5500

NSN 5310-01-533-5500 · NIIN 015335500 · Part number 4535908
Oshkosh Defense Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 75Q65
Government record, cited
NSN 5310-01-533-5500 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-533-5500. Manufacturer of record part number: 4535908.
Also searched as  5310-01-533-5500 · 5310015335500 · NIIN 015335500 · 01-533-5500 · FSC 5310 Nuts and Washers · CAGE 75Q65 · 4535908 · 91102A770
Nearby stock numbers  ·
Features
  • Washer,lock — FSC 5310
  • Hardness Rating: 38.0 ROCKWELL C NOMINAL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.869 INCHES MAXIMUM IN
  • Material Thickness: 0.120 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
  • Surface Treatment: ZINC OVERALL
  • Material: STEEL OVERALL
  • Hole Diameter: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
Identification
  • NSN: 5310-01-533-5500
  • NIIN: 015335500
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 4535908
  • Manufacturer: Oshkosh Defense Llc
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-533-5500, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-533-5500
Primary Part Number4535908
Item NameWasher,lock
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerOshkosh Defense Llc
StatusACTIVE
Hardness Rating38.0 ROCKWELL C NOMINAL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.869 INCHES MAXIMUM IN
Material Thickness0.120 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
Surface TreatmentZINC OVERALL
MaterialSTEEL OVERALL
Hole Diameter0.502 INCHES MINIMUM AND 0.512 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
4535908 PRIMARY Oshkosh Defense Llc (USA)
91102A770 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 5310-01-533-5500?

NSN 5310-01-533-5500 is a Washer,lock, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-533-5500?

NSN 5310-01-533-5500 has 2 manufacturer part numbers on file: 4535908 (Oshkosh Defense Llc), 91102A770 (Mcmaster-Carr Supply Co).

What are the specifications of 4535908?

Key specifications for 4535908: Hardness Rating: 38.0 ROCKWELL C NOMINAL; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.869 INCHES MAXIMUM IN; Material Thickness: 0.120 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-533-5500 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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