Coupling Assembly, Quick Disconne4730-01-691-9503

NSN 4730-01-691-9503 · NIIN 016919503

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

Government record, cited

Also searched as 4730-01-691-9503 · 4730016919503 · NIIN 016919503 · 01-691-9503 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings

Nearby stock numbers ← 4730-01-691-9494 Connector, Swivel Flange to Hose · 4730-01-691-9516 Elbow, Pipe →

4730-01-691-9503 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Coupling Assembly,quick Disconne — FSC 4730
Nominal Length: 4.210 INCHES IN
Nominal Thread Size: 1.00 INCHES FIRST QUICK DISCONNECT END IN
Nominal Outside Diameter: 2.360 INCHES IN
Thread Quantity Per Inch: A11.500 FIRST QUICK DISCONNECT END
Thread Series Designator: NPTF FIRST QUICK DISCONNECT END

Identification

NSN: 4730-01-691-9503
NIIN: 016919503
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-691-9503, 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5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-691-9503
Item Name	Coupling Assembly,quick Disconne
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Nominal Length	4.210 INCHES IN
Nominal Thread Size	1.00 INCHES FIRST QUICK DISCONNECT END IN
Nominal Outside Diameter	2.360 INCHES IN
Thread Quantity Per Inch	A11.500 FIRST QUICK DISCONNECT END
Thread Series Designator	NPTF FIRST QUICK DISCONNECT END

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
FEM-1001-16FP-NL	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 4730-01-691-9503?

NSN 4730-01-691-9503 is a Coupling Assembly,quick Disconne, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-691-9503?

Key specifications for 4730-01-691-9503: Nominal Length: 4.210 INCHES IN; Nominal Thread Size: 1.00 INCHES FIRST QUICK DISCONNECT END IN; Nominal Outside Diameter: 2.360 INCHES IN; Special Features: WRENCH FLATS 55.0 MILLIMETERS;WEIGHT 3.08 POUNDS; LBS. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-691-9503 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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