Coupling Half, Quick Disconnect4730-01-656-7178

NSN 4730-01-656-7178 · NIIN 016567178 · Part number 633F-SS20

Dover Resources Inc Dba Opw Engineered Systems · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 9H113

Government record, cited

NSN 4730-01-656-7178 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-656-7178. Manufacturer of record part number: 633F-SS20.

Also searched as 4730-01-656-7178 · 4730016567178 · NIIN 016567178 · 01-656-7178 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 9H113 · 633F-SS20

Nearby stock numbers ← 4730-01-656-7158 Nipple, Pipe · 4730-01-656-7186 Reducer, Boss →

4730-01-656-7178 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Coupling Half,quick Disconnect — FSC 4730
1 manufacturer part number on file
Manufacturer of record: Dover Resources Inc Dba Opw Engineered Systems

Identification

NSN: 4730-01-656-7178
NIIN: 016567178
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 633F-SS20
Manufacturer: Dover Resources Inc Dba Opw Engineered Systems

General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-656-7178, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Dover Resources Inc Dba Opw Engineered Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Coupling Half,quick Disconnect
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
Manufacturers	Dover Resources Inc Dba Opw Engineered Systems (CAGE 9H113)

Technical Specifications

Parameter	Value
NSN	4730-01-656-7178
Primary Part Number	633F-SS20
Item Name	Coupling Half,quick Disconnect
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Dover Resources Inc Dba Opw Engineered Systems
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

Part Number	Manufacturer
633F-SS20 PRIMARY	Dover Resources Inc Dba Opw Engineered Systems (USA)

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 4730-01-656-7178?

NSN 4730-01-656-7178 is a Coupling Half,quick Disconnect, manufactured by Dover Resources Inc Dba Opw Engineered Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-656-7178?

NSN 4730-01-656-7178 has 1 manufacturer part number on file: 633F-SS20 (Dover Resources Inc Dba Opw Engineered Systems).

Is NSN 4730-01-656-7178 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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