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NSN 4730-00-118-6928Government record, cited

Reducer, Tube4730-00-118-6928

NSN 4730-00-118-6928 · NIIN 001186928 · Part number 6864741
Allison Transmission Inc Dba Allison Transmission, Inc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 73342
Government record, cited
NSN 4730-00-118-6928 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-118-6928. Manufacturer of record part number: 6864741.
Also searched as  4730-00-118-6928 · 4730001186928 · NIIN 001186928 · 00-118-6928 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 73342 · 6864741 · EU43461
Nearby stock numbers  ·
Features
  • Reducer,tube — FSC 4730
  • Connection Style: INVERTED FLARE (TUBE) ALL ENDS
  • Nominal Overall Length: 1.175 INCHES IN
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES SECOND END IN
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN
  • Nominal Thread Size: 0.496 INCHES FIRST END IN
  • Nominal Thread Size: 0.371 INCHES SECOND END IN
  • Seat Angle: 30.0 DEGREES ALL ENDS
Identification
  • NSN: 4730-00-118-6928
  • NIIN: 001186928
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 6864741
  • Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-118-6928, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-118-6928
Primary Part Number6864741
Item NameReducer,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
Connection StyleINVERTED FLARE (TUBE) ALL ENDS
Nominal Overall Length1.175 INCHES IN
Nominal Outside Diameter Tube Accommodated0.375 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Nominal Thread Size0.496 INCHES FIRST END IN
Nominal Thread Size0.371 INCHES SECOND END IN
Seat Angle30.0 DEGREES ALL ENDS
Thread Quantity Per Inch24 SECOND END
Thread Quantity Per Inch20 FIRST END
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNS ALL ENDS
Reducer TypeCONCENTRIC
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
EU43461 Rolls-Royce Airlines (GBR)
6864741 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
6864741 Rolls-Royce Airlines (GBR)
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-00-118-6928?

NSN 4730-00-118-6928 is a Reducer,tube, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-00-118-6928?

NSN 4730-00-118-6928 has 3 manufacturer part numbers on file: EU43461 (Rolls-Royce Airlines), 6864741 (Allison Transmission Inc Dba Allison Transmission, Inc), 6864741 (Rolls-Royce Airlines).

What are the specifications of 6864741?

Key specifications for 6864741: Connection Style: INVERTED FLARE (TUBE) ALL ENDS; Nominal Overall Length: 1.175 INCHES IN; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES SECOND END IN; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4730-00-118-6928 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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