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NSN 5310-01-671-2266Government record, cited

Nut, Plain, Round5310-01-671-2266

NSN 5310-01-671-2266 · NIIN 016712266 · Part number C36972
O T S I · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 05825
Government record, cited
NSN 5310-01-671-2266 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-671-2266. Manufacturer of record part number: C36972.
Also searched as  5310-01-671-2266 · 5310016712266 · NIIN 016712266 · 01-671-2266 · FSC 5310 Nuts and Washers · CAGE 05825 · C36972
Nearby stock numbers  ·
Features
  • Nut,plain,round — FSC 5310
  • Width Across Flats: 3.61 INCHES MINIMUM AND 3.64 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: 171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
  • Nut Diameter: 4.123 INCHES MINIMUM AND 4.127 INCHES MAXIMUM IN
  • Nut Thickness: 3.25 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Nut Style: ROUND
  • Material: STEEL CORROSION RESISTING OVERALL
Identification
  • NSN: 5310-01-671-2266
  • NIIN: 016712266
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: C36972
  • Manufacturer: O T S I
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-01-671-2266, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is O T S I. 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
NSN5310-01-671-2266
Primary Part NumberC36972
Item NameNut,plain,round
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerO T S I
StatusACTIVE
Width Across Flats3.61 INCHES MINIMUM AND 3.64 INCHES MAXIMUM IN
Surface Treatment Document and Classification171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
Nut Diameter4.123 INCHES MINIMUM AND 4.127 INCHES MAXIMUM IN
Nut Thickness3.25 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Nut StyleROUND
MaterialSTEEL CORROSION RESISTING OVERALL
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
C36972 PRIMARY O T S I (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 5310-01-671-2266?

NSN 5310-01-671-2266 is a Nut,plain,round, manufactured by O T S I, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-671-2266?

NSN 5310-01-671-2266 has 1 manufacturer part number on file: C36972 (O T S I).

What are the specifications of C36972?

Key specifications for C36972: Width Across Flats: 3.61 INCHES MINIMUM AND 3.64 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 171 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Nut Diameter: 4.123 INCHES MINIMUM AND 4.127 INCHES MAXIMUM IN; Nut Thickness: 3.25 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-671-2266 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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