Nut, Plain, Hexagon5310-01-672-1556

NSN 5310-01-672-1556 · NIIN 016721556

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-672-1556 · 5310016721556 · NIIN 016721556 · 01-672-1556 · FSC 5310 Nuts and Washers · 4198967 · 388-893-5020

Nearby stock numbers ← 5310-01-672-1545 Nut, Plain, Hexagon · 5310-01-672-1557 Washer, Flat →

5310-01-672-1556 — Nuts and Washers

Features

Nut,plain,hexagon — FSC 5310
Width Across Flats: 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size: 0.25 INCHES IN
Nut Height: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Surface Treatment: NICKEL NUT
Nut Style: HEXAGON
Thread Class: 2B

Identification

NSN: 5310-01-672-1556
NIIN: 016721556
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-672-1556, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-672-1556
Item Name	Nut,plain,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Width Across Flats	0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Thread Series	UNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size	0.25 INCHES IN
Nut Height	0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Surface Treatment	NICKEL NUT
Nut Style	HEXAGON
Thread Class	2B
Thread Quantity Per Inch	20
Material	COPPER ALLOY NUT

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
4198967	7/2 Vendor item drawing reference Oshkosh Defense Llc
388-893-5020	3/2 Design control — primary reference U.S. Government activity

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 5310-01-672-1556?

NSN 5310-01-672-1556 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-672-1556?

Key specifications for 5310-01-672-1556: Width Across Flats: 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.25 INCHES IN; Nut Height: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-672-1556 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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