PartsTable TECHNICAL DATA SHEET

NSN 5310-01-421-6100Government record, cited

Nut, Self-Locking, Hexagon5310-01-421-6100

NSN 5310-01-421-6100 · NIIN 014216100 · Part number 4397021-003

Bae Systems Land & Armaments L.p. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 54786

Government record, cited

NSN 5310-01-421-6100 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-421-6100. Manufacturer of record part number: 4397021-003.

Also searched as 5310-01-421-6100 · 5310014216100 · NIIN 014216100 · 01-421-6100 · FSC 5310 Nuts and Washers · CAGE 54786 · 4397021-003

Nearby stock numbers ← 5310-01-421-6095 Nut, Plain, Hexagon · 5310-01-421-6118 Washer, Spring Tension →

5310-01-421-6100 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Bae Systems Land & Armaments L.p.

Identification

NSN: 5310-01-421-6100
NIIN: 014216100
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 4397021-003
Manufacturer: Bae Systems Land & Armaments L.p.

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-421-6100, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Bae Systems Land & Armaments L.p. (CAGE 54786); Amz Alabama Inc. (CAGE 076M6)

Technical Specifications

Parameter	Value
NSN	5310-01-421-6100
Primary Part Number	4397021-003
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Bae Systems Land & Armaments L.p.
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
4397021-003 PRIMARY	Bae Systems Land & Armaments L.p. (USA)
4397021-003	Amz Alabama Inc. (USA)

Reference documents

Reference	Meaning
4397021-003	3/9 Design control — primary reference Bae Systems Survivability Systems 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 5310-01-421-6100?

NSN 5310-01-421-6100 is a Nut,self-Locking,hexagon, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-421-6100?

NSN 5310-01-421-6100 has 2 manufacturer part numbers on file: 4397021-003 (Bae Systems Land & Armaments L.p.), 4397021-003 (Amz Alabama Inc.).

Is NSN 5310-01-421-6100 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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