Restrictor Unit, Fluid Flow4730-01-337-0253

NSN 4730-01-337-0253 · NIIN 013370253

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

Government record, cited

Also searched as 4730-01-337-0253 · 4730013370253 · NIIN 013370253 · 01-337-0253 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 502-4685892 ITEM F5 · 19-97-1923 · 2621-561-02 ASSY 198-11

Nearby stock numbers ← 4730-01-337-0252 Restrictor Unit, Fluid Flow · 4730-01-337-0254 →

4730-01-337-0253 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Restrictor Unit,fluid Flow — FSC 4730
Design Type: STRAIGHT
End Connection Type: ANY ACCEPTABLE LOCATION NOT OTHERWISE SPECIFIED
Valve Size: 0.500 INCHES IN
Material: COPPER ALLOY BODY
End Connection Similarity: IDENTICAL

Identification

NSN: 4730-01-337-0253
NIIN: 013370253
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-337-0253, 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 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4730-01-337-0253
Item Name	Restrictor Unit,fluid Flow
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Design Type	STRAIGHT
End Connection Type	ANY ACCEPTABLE LOCATION NOT OTHERWISE SPECIFIED
Valve Size	0.500 INCHES IN
Material	COPPER ALLOY BODY
End Connection Similarity	IDENTICAL

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
502-4685892 ITEM F5	5/2 Secondary reference U.S. Government activity
19-97-1923	5/1 Secondary reference U.S. Government activity
2621-561-02 ASSY 198-11	3/2 Design control — primary reference U.S. Government activity

Frequently Asked Questions

What is NSN 4730-01-337-0253?

NSN 4730-01-337-0253 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-337-0253?

Key specifications for 4730-01-337-0253: Design Type: STRAIGHT; End Connection Type: ANY ACCEPTABLE LOCATION NOT OTHERWISE SPECIFIED; Overall Length: 6.890 INCHES NOMINAL IN; Valve Size: 0.500 INCHES IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-337-0253 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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