PartsTable TECHNICAL DATA SHEET

NSN 1005-01-623-6923Government record, cited

Cover, Gun Mount1005-01-623-6923

NSN 1005-01-623-6923 · NIIN 016236923 · Part number 21040422

L&c Protec, Inc. Dba Cocoon · FSC 1005 — Guns, Through 30mm · FSG 10 — Weapons · CAGE 0F052

Government record, cited

NSN 1005-01-623-6923 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-623-6923. Manufacturer of record part number: 21040422.

Also searched as 1005-01-623-6923 · 1005016236923 · NIIN 016236923 · 01-623-6923 · FSC 1005 Guns, Through 30mm · CAGE 0F052 · 21040422 · 3841CC2291

Nearby stock numbers ← 1005-01-623-6307 Adapter Rail, Weapon Mounted · 1005-01-623-8057 Bipod, Rifle →

Features

Cover,gun Mount — FSC 1005
Overall Diameter: 30.500 INCHES NOMINAL IN
Mounting Method: CORD
Supplementary Features: SOURCE REF: M197-A/A94E7-AH1W/Z-001
Material: FABRIC, NYLON AND VINYL FABRIC REINFORCED
2 manufacturer part numbers on file
Manufacturer of record: L&c Protec, Inc. Dba Cocoon

Identification

NSN: 1005-01-623-6923
NIIN: 016236923
FSC: 1005 — Guns, Through 30mm
FSG: 10 — Weapons
Primary part number: 21040422
Manufacturer: L&c Protec, Inc. Dba Cocoon

General Description

The Cover,gun Mount, cataloged under National Stock Number 1005-01-623-6923, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is L&c Protec, Inc. Dba Cocoon. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	1005-01-623-6923
Primary Part Number	21040422
Item Name	Cover,gun Mount
FSC / FSG	1005 / 10 — Guns, Through 30mm
Manufacturer	L&c Protec, Inc. Dba Cocoon
Status	ACTIVE
Overall Diameter	30.500 INCHES NOMINAL IN
Mounting Method	CORD
Supplementary Features	SOURCE REF: M197-A/A94E7-AH1W/Z-001
Material	FABRIC, NYLON AND VINYL FABRIC REINFORCED

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
21040422	Atlantic Diving Supply, Inc. Dba Ads (USA)
21040422 PRIMARY	L&c Protec, Inc. Dba Cocoon (USA)

Reference documents

Reference	Meaning
3841CC2291	D/9 Drawing number reference only L&c Protec, Inc. Dba Cocoon

No interchangeability data on file.

Other items in FSC 1005 — Guns, Through 30mm

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

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PIN,TRIGGER HOUSING

Frequently Asked Questions

What is NSN 1005-01-623-6923?

NSN 1005-01-623-6923 is a Cover,gun Mount, manufactured by L&c Protec, Inc. Dba Cocoon, classified under FSC 1005, Guns, Through 30mm. Status: active.

What part numbers are listed for NSN 1005-01-623-6923?

NSN 1005-01-623-6923 has 2 manufacturer part numbers on file: 21040422 (Atlantic Diving Supply, Inc. Dba Ads), 21040422 (L&c Protec, Inc. Dba Cocoon).

What are the specifications of 21040422?

Key specifications for 21040422: Overall Height: 23.750 INCHES NOMINAL IN; Overall Diameter: 30.500 INCHES NOMINAL IN; Mounting Method: CORD; Supplementary Features: SOURCE REF: M197-A/A94E7-AH1W/Z-001. 4 specifications are documented in the U.S. Government catalog.

Is NSN 1005-01-623-6923 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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