PartsTable TECHNICAL DATA SHEET

NSN 1055-01-172-2124Government record, cited

Cover, Firing Mechanism1055-01-172-2124

NSN 1055-01-172-2124 · NIIN 011722124 · Part number 82A5027A6640

Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service · FSC 1055 — Launchers, Rocket and Pyrotechnic · FSG 10 — Weapons · CAGE 01365

Government record, cited

NSN 1055-01-172-2124 — this item is cataloged by the U.S. Government under National Stock Number 1055-01-172-2124. Manufacturer of record part number: 82A5027A6640.

Also searched as 1055-01-172-2124 · 1055011722124 · NIIN 011722124 · 01-172-2124 · FSC 1055 Launchers, Rocket and Pyrotechnic · CAGE 01365 · 82A5027A6640

Nearby stock numbers ← 1055-01-171-8853 Arm, Firing Mode · 1055-01-172-2125 Clicker, Detent →

Features

Cover,firing Mechanism — FSC 1055
General Characteristics Item Description: C/O COVER 82A5027A6642; BUSHING 82A5027A6644; INSERT MA3330-152
1 manufacturer part number on file
Manufacturer of record: Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service

Identification

NSN: 1055-01-172-2124
NIIN: 011722124
FSC: 1055 — Launchers, Rocket and Pyrotechnic
FSG: 10 — Weapons
Primary part number: 82A5027A6640
Manufacturer: Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service

General Description

The Cover,firing Mechanism, cataloged under National Stock Number 1055-01-172-2124, is classified within Federal Supply Class 1055 (Launchers, Rocket and Pyrotechnic) of the Weapons group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1055-01-172-2124
Primary Part Number	82A5027A6640
Item Name	Cover,firing Mechanism
FSC / FSG	1055 / 10 — Launchers, Rocket and Pyrotechnic
Manufacturer	Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
Status	ACTIVE
General Characteristics Item Description	C/O COVER 82A5027A6642; BUSHING 82A5027A6644; INSERT MA3330-152

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
82A5027A6640 PRIMARY	Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA)

No interchangeability data on file.

Other items in FSC 1055 — Launchers, Rocket and Pyrotechnic

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

1055-00-001-8931

1055-00-001-8931 · Item name not on file

1055-00-001-8932

1055-00-001-8932 · Item name not on file

1055-00-001-8934

1055-00-001-8934 · Item name not on file

1055-00-003-3447

1055-00-003-3447 · Item name not on file

1055-00-003-3448

1055-00-003-3448 · Item name not on file

1055-00-003-3450

1055-00-003-3450 · Item name not on file

1055-00-003-3451

1055-00-003-3451 · Item name not on file

1055-00-003-3452

1055-00-003-3452 · Item name not on file

Frequently Asked Questions

What is NSN 1055-01-172-2124?

NSN 1055-01-172-2124 is a Cover,firing Mechanism, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 1055, Launchers, Rocket and Pyrotechnic. Status: active.

What part numbers are listed for NSN 1055-01-172-2124?

NSN 1055-01-172-2124 has 1 manufacturer part number on file: 82A5027A6640 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).

What are the specifications of 82A5027A6640?

Key specifications for 82A5027A6640: General Characteristics Item Description: C/O COVER 82A5027A6642; BUSHING 82A5027A6644; INSERT MA3330-152. 1 specification is documented in the U.S. Government catalog.

Is NSN 1055-01-172-2124 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.

What is the DEMIL code for NSN 1055-01-172-2124?

NSN 1055-01-172-2124 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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