Reducer, Boss4730-01-552-3998

NSN 4730-01-552-3998 · NIIN 015523998

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

Government record, cited

Also searched as 4730-01-552-3998 · 4730015523998 · NIIN 015523998 · 01-552-3998 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · D773D001 FIND NO 77 · 188973 · B773D078

Nearby stock numbers ← 4730-01-552-3968 Elbow, Tube to Boss · 4730-01-552-4012 Bushing, Pipe →

4730-01-552-3998 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Reducer,boss — FSC 4730

Identification

NSN: 4730-01-552-3998
NIIN: 015523998
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 4730-01-552-3998, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Reducer,boss
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)

Technical Specifications

Parameter	Value
NSN	4730-01-552-3998
Item Name	Reducer,boss
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE

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
D773D001 FIND NO 77	5/2 Secondary reference U.S. Government activity
188973	3/2 Design control — primary reference U.S. Government activity
B773D078	D/9 Drawing number reference only 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 4730-01-552-3998?

NSN 4730-01-552-3998 is a Reducer,boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

Is NSN 4730-01-552-3998 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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