PartsTable TECHNICAL DATA SHEET

NSN 5310-01-421-1154Government record, cited

Washer, Flat5310-01-421-1154

NSN 5310-01-421-1154 · NIIN 014211154 · Part number AL1256C37

Breeze-Eastern Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 08484

Government record, cited

NSN 5310-01-421-1154 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-421-1154. Manufacturer of record part number: AL1256C37.

Also searched as 5310-01-421-1154 · 5310014211154 · NIIN 014211154 · 01-421-1154 · FSC 5310 Nuts and Washers · CAGE 08484 · AL1256C37 · 10122319

Nearby stock numbers ← 5310-01-421-1103 Washer, Concave · 5310-01-421-1155 Washer, Flat →

5310-01-421-1154 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Breeze-Eastern Llc

Identification

NSN: 5310-01-421-1154
NIIN: 014211154
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: AL1256C37
Manufacturer: Breeze-Eastern Llc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-421-1154, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Breeze-Eastern Llc (CAGE 08484)

Technical Specifications

Parameter	Value
NSN	5310-01-421-1154
Primary Part Number	AL1256C37
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Breeze-Eastern Llc
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
AL1256C37 PRIMARY	Breeze-Eastern Llc (USA)

Reference documents

Reference	Meaning
10122319	6/9 Informative reference only Nimikkeistokeskus Ncb Finland

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 5310-01-421-1154?

NSN 5310-01-421-1154 is a Washer,flat, manufactured by Breeze-Eastern Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-421-1154?

NSN 5310-01-421-1154 has 1 manufacturer part number on file: AL1256C37 (Breeze-Eastern Llc).

Is NSN 5310-01-421-1154 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