Nut, Plain, Hexagon5310-01-422-8657

NSN 5310-01-422-8657 · NIIN 014228657 · Part number 21672 004 6276

Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 04537

Government record, cited

NSN 5310-01-422-8657 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-422-8657. Manufacturer of record part number: 21672 004 6276.

Also searched as 5310-01-422-8657 · 5310014228657 · NIIN 014228657 · 01-422-8657 · FSC 5310 Nuts and Washers · CAGE 04537 · 21672 004 6276

Nearby stock numbers ← 5310-01-422-8648 Nut, Plain, Hexagon · 5310-01-422-8658 Nut, Plain, Hexagon →

5310-01-422-8657 — Nuts and Washers

Features

Nut,plain,hexagon — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa

Identification

NSN: 5310-01-422-8657
NIIN: 014228657
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 21672 004 6276
Manufacturer: Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa

General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-422-8657, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Nut,plain,hexagon
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (CAGE 04537)

Technical Specifications

Parameter	Value
NSN	5310-01-422-8657
Primary Part Number	21672 004 6276
Item Name	Nut,plain,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
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
21672 004 6276 PRIMARY	Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (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 5310-01-422-8657?

NSN 5310-01-422-8657 is a Nut,plain,hexagon, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-422-8657?

NSN 5310-01-422-8657 has 1 manufacturer part number on file: 21672 004 6276 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa).

Is NSN 5310-01-422-8657 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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