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NSN 1090-01-495-9129Government record, cited

Mount, Armament Subsystem, Helicop1090-01-495-9129

NSN 1090-01-495-9129 · NIIN 014959129 · Part number 3507AS491
Vertex Modernization and Sustainment Llc · FSC 1090 — Assemblies Interchangeable Between Weapons in Two or More Classes · FSG 10 — Weapons · CAGE 072E5
Government record, cited
NSN 1090-01-495-9129 — this item is cataloged by the U.S. Government under National Stock Number 1090-01-495-9129. Manufacturer of record part number: 3507AS491.
Also searched as  1090-01-495-9129 · 1090014959129 · NIIN 014959129 · 01-495-9129 · FSC 1090 Assemblies Interchangeable Between Weapons in Two or More Classes · CAGE 072E5 · 3507AS491
Nearby stock numbers  ·
Features
  • Mount,armament Subsystem,helicop — FSC 1090
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Vertex Modernization and Sustainment Llc
Identification
  • NSN: 1090-01-495-9129
  • NIIN: 014959129
  • FSC: 1090 — Assemblies Interchangeable Between Weapons in Two or More Classes
  • FSG: 10 — Weapons
  • Primary part number: 3507AS491
  • Manufacturer: Vertex Modernization and Sustainment Llc
General Description

The Mount,armament Subsystem,helicop, cataloged under National Stock Number 1090-01-495-9129, is classified within Federal Supply Class 1090 (Assemblies Interchangeable Between Weapons in Two or More Classes) of the Weapons group. The manufacturer of record is Vertex Modernization and Sustainment Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameMount,armament Subsystem,helicop
FSC / FSG1090 — Assemblies Interchangeable Between Weapons in Two or More Classes (FSG 10)
ManufacturersNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Vertex Modernization and Sustainment Llc (CAGE 072E5)
Technical Specifications
ParameterValue
NSN1090-01-495-9129
Primary Part Number3507AS491
Item NameMount,armament Subsystem,helicop
FSC / FSG1090 / 10 — Assemblies Interchangeable Between Weapons in Two or More Classes
ManufacturerVertex Modernization and Sustainment Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeY
Cross-Reference Index
Part NumberManufacturer
3507AS491 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
3507AS491 PRIMARY Vertex Modernization and Sustainment Llc (USA)
No interchangeability data on file.
Other items in FSC 1090 — Assemblies Interchangeable Between Weapons in Two or More Classes
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1090-00-003-8369
1090-00-003-8369 · Item name not on file
1090-00-024-9554
1090-00-024-9554 · Item name not on file
1090-00-026-7723
RACK,AMMUNITION STOWAGE
1090-00-034-7788
SNIPERSCOPE
1090-00-039-5034
1090-00-039-5034 · Item name not on file
1090-00-047-4162
1090-00-047-4162 · Item name not on file
1090-00-048-1948
CABLE ASSY,SPECIAL
1090-00-048-1948
CABLE ASSY,SPECIAL

Frequently Asked Questions

What is NSN 1090-01-495-9129?

NSN 1090-01-495-9129 is a Mount,armament Subsystem,helicop, manufactured by Vertex Modernization and Sustainment Llc, classified under FSC 1090, Assemblies Interchangeable Between Weapons in Two or More Classes. Status: active.

What part numbers are listed for NSN 1090-01-495-9129?

NSN 1090-01-495-9129 has 2 manufacturer part numbers on file: 3507AS491 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3507AS491 (Vertex Modernization and Sustainment Llc).

Is NSN 1090-01-495-9129 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 1090-01-495-9129?

NSN 1090-01-495-9129 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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