PartsTable TECHNICAL DATA SHEET

NSN 5310-01-470-1045Government record, cited

Locknut5310-01-470-1045

NSN 5310-01-470-1045 · NIIN 014701045 · Part number 21552218

Fairbanks Morse, Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 7PZX0

Government record, cited

NSN 5310-01-470-1045 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-470-1045. Manufacturer of record part number: 21552218.

Also searched as 5310-01-470-1045 · 5310014701045 · NIIN 014701045 · 01-470-1045 · FSC 5310 Nuts and Washers · CAGE 7PZX0 · 21552218

Nearby stock numbers ← 5310-01-470-1020 Washer, Lock · 5310-01-470-1066 Nut, Special, Double →

5310-01-470-1045 — Nuts and Washers

Features

Locknut — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Fairbanks Morse, Llc

Identification

NSN: 5310-01-470-1045
NIIN: 014701045
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 21552218
Manufacturer: Fairbanks Morse, Llc

General Description

The Locknut, cataloged under National Stock Number 5310-01-470-1045, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	5310-01-470-1045
Primary Part Number	21552218
Item Name	Locknut
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Fairbanks Morse, 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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
21552218 PRIMARY	Fairbanks Morse, Llc (USA)

Reference documents

Reference	Meaning
21552218	3/9 Design control — primary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco

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 5310-01-470-1045?

NSN 5310-01-470-1045 is a Locknut, manufactured by Fairbanks Morse, Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-470-1045?

NSN 5310-01-470-1045 has 1 manufacturer part number on file: 21552218 (Fairbanks Morse, Llc).

What are the specifications of 21552218?

Key specifications for 21552218: End Item Identification: ALCO251 ENGINE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-470-1045 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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