Reducer, Pipe4730-01-663-4736

NSN 4730-01-663-4736 · NIIN 016634736

FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings

Government record, cited

Also searched as 4730-01-663-4736 · 4730016634736 · NIIN 016634736 · 01-663-4736 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · B316277 · B316277-9

Nearby stock numbers ← 4730-01-663-4677 Flange, Pipe · 4730-01-663-4740 Bonnet, Hose →

4730-01-663-4736 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Reducer,pipe — FSC 4730
Nominal Overall Length: 1.56 INCHES IN
Connection Type: THREADED EXTERNAL PIPE ALL ENDS
Style Designator: CENTER WRENCHING FACILITY W/ THREADED RELIEF
Thread Class: 3A ALL ENDS A
Material: STEEL COMP 4130 OVERALL
Thread Series Designator: UNF ALL ENDS

Identification

NSN: 4730-01-663-4736
NIIN: 016634736
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-663-4736, 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 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-663-4736
Item Name	Reducer,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Nominal Overall Length	1.56 INCHES IN
Connection Type	THREADED EXTERNAL PIPE ALL ENDS
Style Designator	CENTER WRENCHING FACILITY W/ THREADED RELIEF
Thread Class	3A ALL ENDS A
Material	STEEL COMP 4130 OVERALL
Thread Series Designator	UNF ALL ENDS

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
B316277	D/9 Drawing number reference only U.S. Government activity
B316277-9	3/2 Design control — primary reference U.S. Government activity

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 4730-01-663-4736?

NSN 4730-01-663-4736 is a Reducer,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-663-4736?

Key specifications for 4730-01-663-4736: Nominal Overall Length: 1.56 INCHES IN; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: CENTER WRENCHING FACILITY W/ THREADED RELIEF; Special Features: REDUCER FROM 1.75 TO 0.75. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-663-4736 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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