Cover External5340-01-557-2451

NSN 5340-01-557-2451 · NIIN 015572451 · Part number 123BM50665-11

Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 65777

Government record, cited

NSN 5340-01-557-2451 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-557-2451. Manufacturer of record part number: 123BM50665-11.

Also searched as 5340-01-557-2451 · 5340015572451 · NIIN 015572451 · 01-557-2451 · FSC 5340 Hardware, Commercial · CAGE 65777 · 123BM50665-11

Nearby stock numbers ← 5340-01-557-1988 Caster, Rigid · 5340-01-557-2477 Bracket, Mounting →

Features

Cover External — FSC 5340
1 manufacturer part number on file
Manufacturer of record: Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp

Identification

NSN: 5340-01-557-2451
NIIN: 015572451
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 123BM50665-11
Manufacturer: Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp

General Description

The Cover External, cataloged under National Stock Number 5340-01-557-2451, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts

Item Name	Cover External
FSC / FSG	5340 — Hardware, Commercial (FSG 53)
Manufacturers	Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp (CAGE 65777)

Technical Specifications

Parameter	Value
NSN	5340-01-557-2451
Primary Part Number	123BM50665-11
Item Name	Cover External
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Unit of Issue	EA

Cross-Reference Index

Part Number	Manufacturer
123BM50665-11 PRIMARY	Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp (USA)

No interchangeability data on file.

Other items in FSC 5340 — Hardware, Commercial

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5340-00-000-0068

COVER,ACCESS

5340-00-000-0132

SEAT,HELICAL COMPRESSION SPRING

5340-00-000-8150

5340-00-000-8150 · Item name not on file

5340-00-001-1251

5340-00-001-1251 · Item name not on file

5340-00-001-1264

STRAP,WEBBING

5340-00-001-1265

STRAP,WEBBING

5340-00-001-1266

STRAP,WEBBING

5340-00-001-1275

HANDLE,DOOR

Frequently Asked Questions

What is NSN 5340-01-557-2451?

NSN 5340-01-557-2451 is a Cover External, manufactured by Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-557-2451?

NSN 5340-01-557-2451 has 1 manufacturer part number on file: 123BM50665-11 (Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp).

Is NSN 5340-01-557-2451 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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