Nut, Plain, Hexagon5310-01-166-6671

NSN 5310-01-166-6671 · NIIN 011666671

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

Government record, cited

Also searched as 5310-01-166-6671 · 5310011666671 · NIIN 011666671 · 01-166-6671 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-166-6670 Nut, Plain, Hexagon · 5310-01-166-6672 Nut, Self-Locking, Double Hexagon →

5310-01-166-6671 — Nuts and Washers

Features

Nut,plain,hexagon — FSC 5310
Surface Treatment Document and Classification: QQ-P-416,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.112 INCHES IN
Nut Height: 0.152 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Surface Treatment: CADMIUM AND CHROMATE OVERALL
Countersink Angle: 110.0 DEGREES NOMINAL BOTH ENDS

Identification

NSN: 5310-01-166-6671
NIIN: 011666671
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-166-6671, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-166-6671
Item Name	Nut,plain,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Surface Treatment Document and Classification	QQ-P-416,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series	UNIFIED NATIONAL COARSE (UNC)
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.112 INCHES IN
Nut Height	0.152 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Surface Treatment	CADMIUM AND CHROMATE OVERALL
Countersink Angle	110.0 DEGREES NOMINAL BOTH ENDS
Nut Style	HEXAGON
Thread Class	2B
Thread Quantity Per Inch	40
Bearing Surface Type	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
7606-1055-1	3/9 Design control — primary reference Drs Icas, Llc

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 5310-01-166-6671?

NSN 5310-01-166-6671 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-166-6671?

Key specifications for 5310-01-166-6671: Surface Treatment Document and Classification: QQ-P-416,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.112 INCHES IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-166-6671 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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