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NSN 1285-00-054-4539Government record, cited

Gear and Synchro Re1285-00-054-4539

NSN 1285-00-054-4539 · NIIN 000544539 · Part number 1440756
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 1285 — Fire Control Radar Equipment, Except Airborne · FSG 12 — Fire Control Equipment · CAGE 10001
Government record, cited
NSN 1285-00-054-4539 — this item is cataloged by the U.S. Government under National Stock Number 1285-00-054-4539. Manufacturer of record part number: 1440756.
Also searched as  1285-00-054-4539 · 1285000544539 · NIIN 000544539 · 00-054-4539 · FSC 1285 Fire Control Radar Equipment, Except Airborne · CAGE 10001 · 1440756 · 77-027
Nearby stock numbers  ·
Features
  • Gear and Synchro Re — FSC 1285
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
  • NSN: 1285-00-054-4539
  • NIIN: 000544539
  • FSC: 1285 — Fire Control Radar Equipment, Except Airborne
  • FSG: 12 — Fire Control Equipment
  • Primary part number: 1440756
  • Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description

The Gear and Synchro Re, cataloged under National Stock Number 1285-00-054-4539, is classified within Federal Supply Class 1285 (Fire Control Radar Equipment, Except Airborne) of the Fire Control Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 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 NameGear and Synchro Re
FSC / FSG1285 — Fire Control Radar Equipment, Except Airborne (FSG 12)
ManufacturersLockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001)
Technical Specifications
ParameterValue
NSN1285-00-054-4539
Primary Part Number1440756
Item NameGear and Synchro Re
FSC / FSG1285 / 12 — Fire Control Radar Equipment, Except Airborne
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeS
⇄ Related Items 2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2840-01-145-255777027 POSSIBLE MATCH
SEAL ASSEMBLY,SHAFT
Possible match (shared part number)Magnetic Seal Llc
4730-01-697-328377027 POSSIBLE MATCH
ELBOW ASSEMBLY,PIPE
Possible match (shared part number)Viega Llc
Cross-Reference Index
Part NumberManufacturer
77-027 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1440756 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
2840-01-145-2557POSSIBLE MATCH
SEAL ASSEMBLY,SHAFT
77027
4730-01-697-3283POSSIBLE MATCH
ELBOW ASSEMBLY,PIPE
77027

Frequently Asked Questions

What is NSN 1285-00-054-4539?

NSN 1285-00-054-4539 is a Gear and Synchro Re, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1285, Fire Control Radar Equipment, Except Airborne. Status: active.

What part numbers are listed for NSN 1285-00-054-4539?

NSN 1285-00-054-4539 has 2 manufacturer part numbers on file: 77-027 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1440756 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 1285-00-054-4539?

2 possible matches (shared part number, not a government interchangeability claim): 2840-01-145-2557, 4730-01-697-3283. Verify interchangeability with system specifications before substitution.

Is NSN 1285-00-054-4539 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 1285-00-054-4539?

NSN 1285-00-054-4539 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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