Nut, Plain, Square5310-01-162-6004

NSN 5310-01-162-6004 · NIIN 011626004

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

Government record, cited

Also searched as 5310-01-162-6004 · 5310011626004 · NIIN 011626004 · 01-162-6004 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-162-6003 Nut, Plain, Hexagon · 5310-01-162-6005 →

5310-01-162-6004 — Nuts and Washers

Features

Nut,plain,square — FSC 5310
Width Across Flats: 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Thread Series: UNF
Material Document and Classification: AMS 5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.250 INCHES IN
Nut Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Countersink Angle: 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM BOTH ENDS

Identification

NSN: 5310-01-162-6004
NIIN: 011626004
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,plain,square, cataloged under National Stock Number 5310-01-162-6004, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-162-6004
Item Name	Nut,plain,square
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Width Across Flats	0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Thread Series	UNF
Material Document and Classification	AMS 5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.250 INCHES IN
Nut Height	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Countersink Angle	85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM BOTH ENDS
Nut Style	SQUARE
Thread Class	3B
Thread Quantity Per Inch	28
Material	STEEL COMP 321 OVERALL
Bearing Surface Type	CHAMFERED OR FLAT

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
3008T84P01	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 5310-01-162-6004?

NSN 5310-01-162-6004 is a Nut,plain,square, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-162-6004?

Key specifications for 5310-01-162-6004: Width Across Flats: 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Thread Series: UNF; Material Document and Classification: AMS 5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-162-6004 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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