PartsTable TECHNICAL DATA SHEET

NSN 4730-01-067-8256Government record, cited

Flange, Pipe4730-01-067-8256

NSN 4730-01-067-8256 · NIIN 010678256

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

Government record, cited

Also searched as 4730-01-067-8256 · 4730010678256 · NIIN 010678256 · 01-067-8256 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · SS845-2110238 · SS845-2110238PC12-1 1/2INVL · 2620-926X2PC12-1 1/2INVL · SS845-2110238 · 2620-926X2PC12-1 1/2INVL

Nearby stock numbers ← 4730-01-067-8243 Strainer Element, Sediment · 4730-01-067-8260 Insert Set, Sound Isolation →

4730-01-067-8256 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Flange,pipe — FSC 4730
Socket Diameter: 1.900 INCHES NOMINAL IN
Face Seating Surface Condition: UNFINISHED
Nominal Pipe Size for Which Designed: 1.500 INCHES IN
Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING
Style Designator: SQUARE, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter: 0.562 INCHES NOMINAL IN
Neck Height: 1.063 INCHES NOMINAL IN

Identification

NSN: 4730-01-067-8256
NIIN: 010678256
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 4730-01-067-8256, 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 14 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	4730-01-067-8256
Item Name	Flange,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Socket Diameter	1.900 INCHES NOMINAL IN
Face Seating Surface Condition	UNFINISHED
Nominal Pipe Size for Which Designed	1.500 INCHES IN
Flange Section Style	PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING
Style Designator	SQUARE, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter	0.562 INCHES NOMINAL IN
Neck Height	1.063 INCHES NOMINAL IN
Material Document and Classification	MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
Bolt Hole Quantity	4
Bolt Circle Diameter	4.188 INCHES NOMINAL IN
Flange Width	4.750 INCHES NOMINAL IN
Bore Diameter	1.500 INCHES NOMINAL IN
Material	COPPER ALLOY
Thickness	0.562 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 7

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

4820-01-108-95692620-926X2 PC 7 1 1-2IN POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc

4820-01-147-3018803-5001003 PC9 1 1/2IN POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Naval Sea Systems Command

4820-01-154-5454SS845-2110238 PC15,24,2 1-2IN POSSIBLE MATCH

PARTS KIT,BALL VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-154-5547SS845-2110238 PC9,2 1-2IN POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-154-68862620-926X2 ASSY B,2 1-2IN POSSIBLE MATCH

VALVE,FLOW CONTROL

Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc

4730-01-163-99922620-926X2 PC 12 2-1/2 IN. POSSIBLE MATCH

ADAPTER,STRAIGHT,FLANGE TO PIPE

Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc

4820-01-167-4451803-5001003-A9X1-07 POSSIBLE MATCH

STEM,FLUID VALVE

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
SS845-2110238	D/9 Drawing number reference only U.S. Government activity
SS845-2110238PC12-1 1/2INVL	3/2 Design control — primary reference U.S. Government activity
2620-926X2PC12-1 1/2INVL	5/9 Secondary reference U.S. Government activity
SS845-2110238	D/9 Drawing number reference only U.S. Government activity
2620-926X2PC12-1 1/2INVL	5/9 Secondary reference Circor Intl Inc

Related Parts

4820-01-108-9569POSSIBLE MATCH

SEAT,VALVE

2620-926X2 PC 7 1 1-2IN

4820-01-147-3018POSSIBLE MATCH

STEM,FLUID VALVE

803-5001003 PC9 1 1/2IN

4820-01-154-5454POSSIBLE MATCH

PARTS KIT,BALL VALVE

SS845-2110238 PC15,24,2 1-2IN

4820-01-154-5547POSSIBLE MATCH

STEM,FLUID VALVE

SS845-2110238 PC9,2 1-2IN

4820-01-154-6886POSSIBLE MATCH

VALVE,FLOW CONTROL

2620-926X2 ASSY B,2 1-2IN

4730-01-163-9992POSSIBLE MATCH

ADAPTER,STRAIGHT,FLANGE TO PIPE

2620-926X2 PC 12 2-1/2 IN.

4820-01-167-4451POSSIBLE MATCH

STEM,FLUID VALVE

803-5001003-A9X1-07

Frequently Asked Questions

What is NSN 4730-01-067-8256?

NSN 4730-01-067-8256 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-067-8256?

7 possible matches (shared part number, not a government interchangeability claim): 4820-01-108-9569, 4820-01-147-3018, 4820-01-154-5454. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-067-8256?

Key specifications for 4730-01-067-8256: Socket Diameter: 1.900 INCHES NOMINAL IN; Face Seating Surface Condition: UNFINISHED; Nominal Pipe Size for Which Designed: 1.500 INCHES IN; Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING. 14 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-067-8256 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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