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NSN 4730-00-045-6803Government record, cited

Reducer, Boss4730-00-045-6803

NSN 4730-00-045-6803 · NIIN 000456803
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-00-045-6803 · 4730000456803 · NIIN 000456803 · 00-045-6803 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings
Nearby stock numbers  ·
Features
  • Reducer,boss — FSC 4730
  • Connection Style: GASKET SEAL (BOSS) FIRST END
  • Connection Style: GASKET SEAL (BOSS) SECOND END
  • Nominal Overall Length: 0.284 INCHES IN
  • Nominal Thread Size: 0.190 INCHES FIRST END IN
  • Nominal Thread Size: 0.164 INCHES SECOND END IN
  • Thread Class: 2B ALL ENDS
  • Material: STEEL CORROSION RESISTING OVERALL
Identification
  • NSN: 4730-00-045-6803
  • NIIN: 000456803
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Reducer,boss, cataloged under National Stock Number 4730-00-045-6803, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-045-6803
Item NameReducer,boss
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Connection StyleGASKET SEAL (BOSS) FIRST END
Connection StyleGASKET SEAL (BOSS) SECOND END
Nominal Overall Length0.284 INCHES IN
Nominal Thread Size0.190 INCHES FIRST END IN
Nominal Thread Size0.164 INCHES SECOND END IN
Thread Class2B ALL ENDS
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SECOND END
Thread Series DesignatorUNF FIRST END
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
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
M663060464 3/9 Design control — primary reference
F E L Corp
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 4730-00-045-6803?

NSN 4730-00-045-6803 is a Reducer,boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-00-045-6803?

Key specifications for 4730-00-045-6803: Connection Style: GASKET SEAL (BOSS) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Nominal Overall Length: 0.284 INCHES IN; Nominal Thread Size: 0.190 INCHES FIRST END IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-00-045-6803 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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