PartsTable TECHNICAL DATA SHEET

NSN 1005-01-691-9625Government record, cited

Piston, Gun Gas Cylinder1005-01-691-9625

NSN 1005-01-691-9625 · NIIN 016919625 · Part number KIT-MCX-PISTON-11B-556

Sig Sauer Inc. · FSC 1005 — Guns, Through 30mm · FSG 10 — Weapons · CAGE 6ZWB1

Government record, cited

NSN 1005-01-691-9625 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-691-9625. Manufacturer of record part number: KIT-MCX-PISTON-11B-556.

Also searched as 1005-01-691-9625 · 1005016919625 · NIIN 016919625 · 01-691-9625 · FSC 1005 Guns, Through 30mm · CAGE 6ZWB1 · KIT-MCX-PISTON-11B-556

Nearby stock numbers ← 1005-01-691-9623 Piston, Gun Gas Cylinder · 1005-01-691-9627 Piston, Gun Gas Cylinder →

Features

Piston,gun Gas Cylinder — FSC 1005
1 manufacturer part number on file
Manufacturer of record: Sig Sauer Inc.

Identification

NSN: 1005-01-691-9625
NIIN: 016919625
FSC: 1005 — Guns, Through 30mm
FSG: 10 — Weapons
Primary part number: KIT-MCX-PISTON-11B-556
Manufacturer: Sig Sauer Inc.

General Description

The Piston,gun Gas Cylinder, cataloged under National Stock Number 1005-01-691-9625, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Sig Sauer Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Piston,gun Gas Cylinder
FSC / FSG	1005 — Guns, Through 30mm (FSG 10)
Manufacturers	Sig Sauer Inc. (CAGE 6ZWB1)

Technical Specifications

Parameter	Value
NSN	1005-01-691-9625
Primary Part Number	KIT-MCX-PISTON-11B-556
Item Name	Piston,gun Gas Cylinder
FSC / FSG	1005 / 10 — Guns, Through 30mm
Manufacturer	Sig Sauer Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL D — Destroy Item
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
KIT-MCX-PISTON-11B-556 PRIMARY	Sig Sauer Inc. (USA)

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.

1005-00-000-0061

MACHINE GUN,7.62 MILLIMETER

1005-00-001-2676

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1005-00-001-5589 · Item name not on file

1005-00-002-0996

1005-00-002-0996 · Item name not on file

1005-00-003-1073

STOP,CARTRIDGE

1005-00-003-2251

1005-00-003-2251 · Item name not on file

1005-00-003-2267

1005-00-003-2267 · Item name not on file

1005-00-003-2268

1005-00-003-2268 · Item name not on file

Frequently Asked Questions

What is NSN 1005-01-691-9625?

NSN 1005-01-691-9625 is a Piston,gun Gas Cylinder, manufactured by Sig Sauer Inc., classified under FSC 1005, Guns, Through 30mm. Status: active.

What part numbers are listed for NSN 1005-01-691-9625?

NSN 1005-01-691-9625 has 1 manufacturer part number on file: KIT-MCX-PISTON-11B-556 (Sig Sauer Inc.).

Is NSN 1005-01-691-9625 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 1005-01-691-9625?

NSN 1005-01-691-9625 has DEMIL Code D. 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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