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NSN 4923-01-440-3954Government record, cited

Maintenance Fixture, Underwater M4923-01-440-3954

NSN 4923-01-440-3954 · NIIN 014403954 · Part number 6744189
Naval Sea Systems Command · FSC 4923 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 53711
Government record, cited
NSN 4923-01-440-3954 — this item is cataloged by the U.S. Government under National Stock Number 4923-01-440-3954. Manufacturer of record part number: 6744189.
Also searched as  4923-01-440-3954 · 4923014403954 · NIIN 014403954 · 01-440-3954 · FSC 4923 Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment · CAGE 53711 · 6744189 · 014-0031-000 · 014-0031-000 · 014-0060-000
Nearby stock numbers  ·
Features
  • Maintenance Fixture,underwater M — FSC 4923
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 4923-01-440-3954
  • NIIN: 014403954
  • FSC: 4923 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment
  • FSG: 49 — Maintenance and Repair Shop Equipment
  • Primary part number: 6744189
  • Manufacturer: Naval Sea Systems Command
General Description

The Maintenance Fixture,underwater M, cataloged under National Stock Number 4923-01-440-3954, is classified within Federal Supply Class 4923 (Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Naval Sea Systems Command. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4923-01-440-3954
Primary Part Number6744189
Item NameMaintenance Fixture,underwater M
FSC / FSG4923 / 49 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
014-0060-000 Newvac, Llc Div Newvac (USA)
6744189 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
014-0031-000 5/9 Secondary reference
Dcx-Chol Enterprises, Inc.
014-0031-000 5/9 Secondary reference
Newvac, Llc Div Newvac
No interchangeability data on file.
Other items in FSC 4923 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4923-00-017-8311
4923-00-017-8311 · Item name not on file
4923-00-032-1571
TEST SET,UNDERWATER MINE
4923-00-032-1634
4923-00-032-1634 · Item name not on file
4923-00-038-6748
CONNECTION BOX
4923-00-038-6749
CONNECTION BOX
4923-00-038-6750
CONNECTION BOX
4923-00-038-6751
CONNECTION BOX
4923-00-038-6752
CONNECTION BOX

Frequently Asked Questions

What is NSN 4923-01-440-3954?

NSN 4923-01-440-3954 is a Maintenance Fixture,underwater M, manufactured by Naval Sea Systems Command, classified under FSC 4923, Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment. Status: active.

What part numbers are listed for NSN 4923-01-440-3954?

NSN 4923-01-440-3954 has 2 manufacturer part numbers on file: 014-0060-000 (Newvac, Llc Div Newvac), 6744189 (Naval Sea Systems Command).

What are the specifications of 6744189?

Key specifications for 6744189: Special Features: RETAINER,SHIELD; End Item Identification: EMERGENCY RESTORATION KIT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4923-01-440-3954 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.

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