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NSN 5845-01-178-9420Government record, cited
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Cover, Bulkhead, Aft5845-01-178-9420

NSN 5845-01-178-9420 · NIIN 011789420 · Part number 3322578
L3 Technologies, Inc. Div Ocean Systems · FSC 5845 — Underwater Sound Equipment · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 60225
Government record, cited
NSN 5845-01-178-9420 — this item is cataloged by the U.S. Government under National Stock Number 5845-01-178-9420. Manufacturer of record part number: 3322578.
Also searched as  5845-01-178-9420 · 5845011789420 · NIIN 011789420 · 01-178-9420 · FSC 5845 Underwater Sound Equipment · CAGE 60225 · 3322578
Nearby stock numbers  ·
Features
  • Cover,bulkhead,aft — FSC 5845
  • 2 manufacturer part numbers on file
  • Manufacturer of record: L3 Technologies, Inc. Div Ocean Systems
Identification
  • NSN: 5845-01-178-9420
  • NIIN: 011789420
  • FSC: 5845 — Underwater Sound Equipment
  • FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
  • Primary part number: 3322578
  • Manufacturer: L3 Technologies, Inc. Div Ocean Systems
General Description

The Cover,bulkhead,aft, cataloged under National Stock Number 5845-01-178-9420, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is L3 Technologies, Inc. Div Ocean Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameCover,bulkhead,aft
FSC / FSG5845 — Underwater Sound Equipment (FSG 58)
ManufacturersL3 Technologies, Inc. Div Ocean Systems (CAGE 60225); Aero International, Llc Dba Ams Engineered Solutions (CAGE 0SML3)
Technical Specifications
ParameterValue
NSN5845-01-178-9420
Primary Part Number3322578
Item NameCover,bulkhead,aft
FSC / FSG5845 / 58 — Underwater Sound Equipment
ManufacturerL3 Technologies, Inc. Div Ocean Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
3322578 PRIMARY L3 Technologies, Inc. Div Ocean Systems (USA)
3322578 Aero International, Llc Dba Ams Engineered Solutions (USA)
Reference documents
ReferenceMeaning
3322578 5/9 Secondary reference
Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div
No interchangeability data on file.
Other items in FSC 5845 — Underwater Sound Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5845-00-001-3622
5845-00-001-3622 · Item name not on file
5845-00-001-3623
5845-00-001-3623 · Item name not on file
5845-00-001-3625
DETECTING-RANGING SET SUBASSEMBL
5845-00-001-3627
5845-00-001-3627 · Item name not on file
5845-00-001-3628
5845-00-001-3628 · Item name not on file
5845-00-001-3629
5845-00-001-3629 · Item name not on file
5845-00-001-8053
5845-00-001-8053 · Item name not on file
5845-00-003-0332
5845-00-003-0332 · Item name not on file

Frequently Asked Questions

What is NSN 5845-01-178-9420?

NSN 5845-01-178-9420 is a Cover,bulkhead,aft, manufactured by L3 Technologies, Inc. Div Ocean Systems, classified under FSC 5845, Underwater Sound Equipment. Status: active.

What part numbers are listed for NSN 5845-01-178-9420?

NSN 5845-01-178-9420 has 2 manufacturer part numbers on file: 3322578 (L3 Technologies, Inc. Div Ocean Systems), 3322578 (Aero International, Llc Dba Ams Engineered Solutions).

Is NSN 5845-01-178-9420 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.

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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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