Nut, Clip-on5310-01-644-6042

NSN 5310-01-644-6042 · NIIN 016446042 · Part number 90680A300

Index Fasteners, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 3DCM5

Government record, cited

NSN 5310-01-644-6042 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-644-6042. Manufacturer of record part number: 90680A300.

Also searched as 5310-01-644-6042 · 5310016446042 · NIIN 016446042 · 01-644-6042 · FSC 5310 Nuts and Washers · CAGE 3DCM5 · 90680A300

Nearby stock numbers ← 5310-01-644-5936 Washer, Lock · 5310-01-644-6059 Washer, Lock →

5310-01-644-6042 — Nuts and Washers

Features

Nut,clip-on — FSC 5310
Nut Width: 0.520 INCHES NOMINAL IN
Nut Length: 0.770 INCHES NOMINAL IN
Thread Series: UNF
Material Thickness: 0.020 INCHES NOMINAL IN
Thread Direction: RIGHT-HAND
Panel Thickness: 0.064 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Nominal Thread Size: 0.190 INCHES IN

Identification

NSN: 5310-01-644-6042
NIIN: 016446042
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 90680A300
Manufacturer: Index Fasteners, Inc.

General Description

The Nut,clip-on, cataloged under National Stock Number 5310-01-644-6042, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Index Fasteners, Inc.. Government technical data includes 12 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

Parameter	Value
NSN	5310-01-644-6042
Primary Part Number	90680A300
Item Name	Nut,clip-on
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Index Fasteners, Inc.
Status	ACTIVE
Nut Width	0.520 INCHES NOMINAL IN
Nut Length	0.770 INCHES NOMINAL IN
Thread Series	UNF
Material Thickness	0.020 INCHES NOMINAL IN
Thread Direction	RIGHT-HAND
Panel Thickness	0.064 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Nominal Thread Size	0.190 INCHES IN
Nut Height	0.250 INCHES NOMINAL IN
Nut Style	U-SHAPED
Thread Class	2B
Thread Quantity Per Inch	32
Material	STEEL COMP 302 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

Part Number	Manufacturer
90680A300	Mcmaster-Carr Supply Company (USA)
90680A300 PRIMARY	Index Fasteners, Inc. (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 5310-01-644-6042?

NSN 5310-01-644-6042 is a Nut,clip-on, manufactured by Index Fasteners, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-644-6042?

NSN 5310-01-644-6042 has 2 manufacturer part numbers on file: 90680A300 (Mcmaster-Carr Supply Company), 90680A300 (Index Fasteners, Inc.).

What are the specifications of 90680A300?

Key specifications for 90680A300: Nut Width: 0.520 INCHES NOMINAL IN; Nut Length: 0.770 INCHES NOMINAL IN; Thread Series: UNF; Material Thickness: 0.020 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-644-6042 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.

PartsTable Design LLC · partstable.com