PartsTable TECHNICAL DATA SHEET

NSN 4730-01-309-8150Government record, cited

Flange, Pipe4730-01-309-8150

NSN 4730-01-309-8150 · NIIN 013098150

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

Government record, cited

Also searched as 4730-01-309-8150 · 4730013098150 · NIIN 013098150 · 01-309-8150 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 704-4685262 ITEM F12 · 704-4685262 · 810-1385861

Nearby stock numbers ← 4730-01-309-8148 Flange, Pipe · 4730-01-309-8151 Flange, Pipe →

4730-01-309-8150 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Flange,pipe — FSC 4730
Flange Diameter: 8.688 INCHES NOMINAL IN
Face Seating Surface Condition: MACHINED
Nominal Pipe Size for Which Designed: 4.000 INCHES IN
Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT WATER DEGF
Operating Pressure and Type: 700.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Flange Section Style: RAISED FACE WELDING (BLIND)
Style Designator: ROUND, ONE BOLT HOLE CIRCLE

Identification

NSN: 4730-01-309-8150
NIIN: 013098150
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 4730-01-309-8150, 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 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-309-8150
Item Name	Flange,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Flange Diameter	8.688 INCHES NOMINAL IN
Face Seating Surface Condition	MACHINED
Nominal Pipe Size for Which Designed	4.000 INCHES IN
Maximum Operating Temp and Media for Which Designed	150.0 FAHRENHEIT WATER DEGF
Operating Pressure and Type	700.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Flange Section Style	RAISED FACE WELDING (BLIND)
Style Designator	ROUND, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter	0.688 INCHES NOMINAL IN
Bolt Hole Quantity	10
Bolt Circle Diameter	7.188 INCHES NOMINAL IN
Material	COPPER ALLOY
Thickness	0.203 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

⇄ Related Items 6

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4730-01-309-8151704-4685262 ITEM F18 POSSIBLE MATCH

FLANGE,PIPE

Possible match (shared part number)Naval Ship Systems Command

4730-01-318-84664684449-T/F1 POSSIBLE MATCH

FLANGE,PIPE

Possible match (shared part number)Naval Ship Systems Command

4730-01-320-16402621-166-03 PCR148 POSSIBLE MATCH

ELBOW,FLANGE

Possible match (shared part number)Derbyshire Machine & Tool Co

4220-01-343-3447262112601-0037A POSSIBLE MATCH

DIFFUSER,AIR SUPPLY

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

5930-01-374-8328704-4685262 POSSIBLE MATCH

SWITCH,FLOW

Possible match (shared part number)Naval Ship Systems Command

4730-01-690-3933810-1385861TYG,3IN POSSIBLE MATCH

FLANGE,PIPE

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
704-4685262 ITEM F12	3/2 Design control — primary reference U.S. Government activity
704-4685262	D/9 Drawing number reference only U.S. Government activity
810-1385861	D/9 Drawing number reference only U.S. Government activity

Related Parts

4730-01-309-8151POSSIBLE MATCH

FLANGE,PIPE

704-4685262 ITEM F18

4730-01-318-8466POSSIBLE MATCH

FLANGE,PIPE

4684449-T/F1

4730-01-320-1640POSSIBLE MATCH

ELBOW,FLANGE

2621-166-03 PCR148

4220-01-343-3447POSSIBLE MATCH

DIFFUSER,AIR SUPPLY

262112601-0037A

5930-01-374-8328POSSIBLE MATCH

SWITCH,FLOW

704-4685262

4730-01-690-3933POSSIBLE MATCH

FLANGE,PIPE

810-1385861TYG,3IN

Frequently Asked Questions

What is NSN 4730-01-309-8150?

NSN 4730-01-309-8150 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-309-8150?

6 possible matches (shared part number, not a government interchangeability claim): 4730-01-309-8151, 4730-01-318-8466, 4730-01-320-1640. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-309-8150?

Key specifications for 4730-01-309-8150: Flange Diameter: 8.688 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 4.000 INCHES IN; Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT WATER DEGF. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-309-8150 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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