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NSN 1090-01-677-4557Government record, cited

Mount Assembly1090-01-677-4557

NSN 1090-01-677-4557 · NIIN 016774557 · Part number SPAL4006404
General Dynamics Ordnance and Tactical Systems, Inc. · FSC 1090 — Assemblies Interchangeable Between Weapons in Two or More Classes · FSG 10 — Weapons · CAGE 0F875
Government record, cited
NSN 1090-01-677-4557 — this item is cataloged by the U.S. Government under National Stock Number 1090-01-677-4557. Manufacturer of record part number: SPAL4006404.
Also searched as  1090-01-677-4557 · 1090016774557 · NIIN 016774557 · 01-677-4557 · FSC 1090 Assemblies Interchangeable Between Weapons in Two or More Classes · CAGE 0F875 · SPAL4006404
Nearby stock numbers  ·
Features
  • Mount Assembly — FSC 1090
  • 2 manufacturer part numbers on file
  • Manufacturer of record: General Dynamics Ordnance and Tactical Systems, Inc.
Identification
  • NSN: 1090-01-677-4557
  • NIIN: 016774557
  • FSC: 1090 — Assemblies Interchangeable Between Weapons in Two or More Classes
  • FSG: 10 — Weapons
  • Primary part number: SPAL4006404
  • Manufacturer: General Dynamics Ordnance and Tactical Systems, Inc.
General Description

The Mount Assembly, cataloged under National Stock Number 1090-01-677-4557, 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 General Dynamics Ordnance and Tactical Systems, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1090-01-677-4557
Primary Part NumberSPAL4006404
Item NameMount Assembly
FSC / FSG1090 / 10 — Assemblies Interchangeable Between Weapons in Two or More Classes
ManufacturerGeneral Dynamics Ordnance and Tactical Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
SPAL4006404 PRIMARY General Dynamics Ordnance and Tactical Systems, Inc. (USA)
SPAL4006404 Flyer Defense, 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 1090-01-677-4557?

NSN 1090-01-677-4557 is a Mount Assembly, manufactured by General Dynamics Ordnance and Tactical Systems, Inc., classified under FSC 1090, Assemblies Interchangeable Between Weapons in Two or More Classes. Status: active.

What part numbers are listed for NSN 1090-01-677-4557?

NSN 1090-01-677-4557 has 2 manufacturer part numbers on file: SPAL4006404 (General Dynamics Ordnance and Tactical Systems, Inc.), SPAL4006404 (Flyer Defense, Llc).

What are the specifications of SPAL4006404?

Key specifications for SPAL4006404: End Item Identification: NSN 2355-01-627-5147. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1090-01-677-4557 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 1090-01-677-4557?

NSN 1090-01-677-4557 has DEMIL Code Q. 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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