NSN 1005-00-344-5871 — this item is cataloged by the U.S. Government under National Stock Number 1005-00-344-5871. Manufacturer of record part number: AA2B.
Also searched as1005-00-344-5871 ·
1005003445871 ·
NIIN 003445871 ·
00-344-5871 ·
FSC 1005 Guns, Through 30mm · CAGE 13629 · AA2B · AA2-1
Manufacturer of record: Colt's Manufacturing Company, Llc
Identification
NSN: 1005-00-344-5871
NIIN: 003445871
FSC: 1005 — Guns, Through 30mm
FSG: 10 — Weapons
Primary part number: AA2B
Manufacturer: Colt's Manufacturing Company, Llc
General Description
The Barrel Assy, cataloged under National Stock Number 1005-00-344-5871, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Colt's Manufacturing Company, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Barrel Assy
FSC / FSG
1005 — Guns, Through 30mm (FSG 10)
Manufacturers
Colt's Manufacturing Company, Llc (CAGE 13629)
Technical Specifications
Parameter
Value
NSN
1005-00-344-5871
Primary Part Number
AA2B
Item Name
Barrel Assy
FSC / FSG
1005 / 10 — Guns, Through 30mm
Manufacturer
Colt's Manufacturing Company, Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-00-369-0081AA21POSSIBLE MATCH
COVER,BEARING END
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
4410-00-996-5605AA21POSSIBLE MATCH
AUTOMATIC INJECTOR,
Possible match (shared part number)Tyco Valves & Controls Lp Dba Penberthy
3130-01-436-0522GA5OOAL6-12APOSSIBLE MATCH
HOUSING,BEARING UNIT
Possible match (shared part number)Northrop Grumman Systems Corporation
NSN 1005-00-344-5871 is a Barrel Assy, manufactured by Colt's Manufacturing Company, Llc, classified under FSC 1005, Guns, Through 30mm. Status: active.
What part numbers are listed for NSN 1005-00-344-5871?
NSN 1005-00-344-5871 has 2 manufacturer part numbers on file: AA2-1 (Colt's Manufacturing Company, Llc), AA2B (Colt's Manufacturing Company, Llc).
What NSN replaces 1005-00-344-5871?
3 possible matches (shared part number, not a government interchangeability claim): 4320-00-369-0081, 4410-00-996-5605, 3130-01-436-0522. Verify interchangeability with system specifications before substitution.
Is NSN 1005-00-344-5871 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 1005-00-344-5871?
NSN 1005-00-344-5871 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.