Flange, Pipe4730-01-463-5641

NSN 4730-01-463-5641 · NIIN 014635641

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

Government record, cited

Also searched as 4730-01-463-5641 · 4730014635641 · NIIN 014635641 · 01-463-5641 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 22122500 · 810-4715319 FIG 2-A,ITEM NO. 23 · 810-4715319

Nearby stock numbers ← 4730-01-463-5638 Flange, Pipe · 4730-01-463-5644 Flange, Pipe →

4730-01-463-5641 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Flange,pipe — FSC 4730
Socket Diameter: 3.543 INCHES NOMINAL IN
Flange Diameter: 6.625 INCHES NOMINAL IN
Face Seating Surface Condition: MACHINED
Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING
Bolt Hole Diameter: 0.562 INCHES NOMINAL IN
Bolt Circle Diameter: 5.500 INCHES NOMINAL IN
Bore Diameter: 3.310 INCHES NOMINAL IN

Identification

NSN: 4730-01-463-5641
NIIN: 014635641
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-463-5641, 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 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4730-01-463-5641
Item Name	Flange,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Socket Diameter	3.543 INCHES NOMINAL IN
Flange Diameter	6.625 INCHES NOMINAL IN
Face Seating Surface Condition	MACHINED
Flange Section Style	PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING
Bolt Hole Diameter	0.562 INCHES NOMINAL IN
Bolt Circle Diameter	5.500 INCHES NOMINAL IN
Bore Diameter	3.310 INCHES NOMINAL IN
Material	COPPER ALLOY
Thickness	0.500 INCHES NOMINAL IN

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
22122500	5/9 Secondary reference W & O Supply Inc
810-4715319 FIG 2-A,ITEM NO. 23	3/2 Design control — primary reference U.S. Government activity
810-4715319	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 4730-01-463-5641?

NSN 4730-01-463-5641 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-463-5641?

Key specifications for 4730-01-463-5641: Socket Diameter: 3.543 INCHES NOMINAL IN; Flange Diameter: 6.625 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-463-5641 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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