Nut Assembly, Tube Coupling4730-01-562-0621

NSN 4730-01-562-0621 · NIIN 015620621

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

Government record, cited

Also searched as 4730-01-562-0621 · 4730015620621 · NIIN 015620621 · 01-562-0621 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 261-UB-08 · 61PB-8

Nearby stock numbers ← 4730-01-562-0597 Adapter, Straight, Tube to Hose · 4730-01-562-0657 Tee, Tube →

4730-01-562-0621 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Nut Assembly,tube Coupling — FSC 4730
Tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL IN
Thread Direction: RIGHT-HAND
Thread Size: 0.687
Screw Thread Series Designator: UN
Thread Class: 2B
Material: COPPER ALLOY

Identification

NSN: 4730-01-562-0621
NIIN: 015620621
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Nut Assembly,tube Coupling, cataloged under National Stock Number 4730-01-562-0621, 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6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4730-01-562-0621
Item Name	Nut Assembly,tube Coupling
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Tube Outside Diameter for Which Designed	0.500 INCHES NOMINAL IN
Thread Direction	RIGHT-HAND
Thread Size	0.687
Screw Thread Series Designator	UN
Thread Class	2B
Material	COPPER ALLOY

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
261-UB-08	3/9 Design control — primary reference Parker-Hannifin Corp Div Racor Division
61PB-8	5/2 Secondary 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 4730-01-562-0621?

NSN 4730-01-562-0621 is a Nut Assembly,tube Coupling, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-562-0621?

Key specifications for 4730-01-562-0621: Tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Thread Size: 0.687; Special Features: ASSY INCLUDES BRASS SLEEVE. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-562-0621 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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