PartsTable TECHNICAL DATA SHEET
NSN 1005-01-585-9720Government record, cited

Base, Rear Sight1005-01-585-9720

NSN 1005-01-585-9720 · NIIN 015859720 · Part number 1A1-4B-04
Abrams Airborne Manufacturing Inc Dba Abrams Airborne Manufacturing Inc · FSC 1005 — Guns, Through 30mm · FSG 10 — Weapons · CAGE 1F747
Government record, cited
NSN 1005-01-585-9720 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-585-9720. Manufacturer of record part number: 1A1-4B-04.
Also searched as  1005-01-585-9720 · 1005015859720 · NIIN 015859720 · 01-585-9720 · FSC 1005 Guns, Through 30mm · CAGE 1F747 · 1A1-4B-04
Nearby stock numbers  ·
Features
  • Base,rear Sight — FSC 1005
  • 1 manufacturer part number on file
  • Manufacturer of record: Abrams Airborne Manufacturing Inc Dba Abrams Airborne Manufacturing Inc
Identification
  • NSN: 1005-01-585-9720
  • NIIN: 015859720
  • FSC: 1005 — Guns, Through 30mm
  • FSG: 10 — Weapons
  • Primary part number: 1A1-4B-04
  • Manufacturer: Abrams Airborne Manufacturing Inc Dba Abrams Airborne Manufacturing Inc
General Description

The Base,rear Sight, cataloged under National Stock Number 1005-01-585-9720, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Abrams Airborne Manufacturing Inc Dba Abrams Airborne Manufacturing 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.

Technical Specifications
ParameterValue
NSN1005-01-585-9720
Primary Part Number1A1-4B-04
Item NameBase,rear Sight
FSC / FSG1005 / 10 — Guns, Through 30mm
ManufacturerAbrams Airborne Manufacturing Inc Dba Abrams Airborne Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
1A1-4B-04 PRIMARY Abrams Airborne Manufacturing Inc Dba Abrams Airborne Manufacturing 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
FILTER,GUN DRIVE
1005-00-001-5589
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 1005-01-585-9720?

NSN 1005-01-585-9720 is a Base,rear Sight, manufactured by Abrams Airborne Manufacturing Inc Dba Abrams Airborne Manufacturing Inc, classified under FSC 1005, Guns, Through 30mm. Status: active.

What part numbers are listed for NSN 1005-01-585-9720?

NSN 1005-01-585-9720 has 1 manufacturer part number on file: 1A1-4B-04 (Abrams Airborne Manufacturing Inc Dba Abrams Airborne Manufacturing Inc).

What are the specifications of 1A1-4B-04?

Key specifications for 1A1-4B-04: Special Features: MULTI-SHOT; Part Name Assigned by Controlling Agency: BASE ASSEMBLY; End Item Identification: 1010-01-584-0703; M32A1 GRENADE LAUNCHER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1005-01-585-9720 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 1005-01-585-9720?

NSN 1005-01-585-9720 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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