Flange, Pipe4730-01-189-8653

NSN 4730-01-189-8653 · NIIN 011898653

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

Government record, cited

Also searched as 4730-01-189-8653 · 4730011898653 · NIIN 011898653 · 01-189-8653 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings

Nearby stock numbers ← 4730-01-189-8652 Flange, Pipe · 4730-01-189-8691 Cap, Strainer →

4730-01-189-8653 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Flange,pipe — FSC 4730
Flange Diameter: 3.250 INCHES NOMINAL IN
Face Seating Surface Condition: MACHINED
Maximum Operating Temp and Media for Which Designed: 775.0 FAHRENHEIT ANY ACCEPTABLE DEGF
Flange Section Style: PLAIN FACE
Style Designator: ROUND, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter: 0.562 INCHES NOMINAL IN
Specification/standard Data: 81349-MIL-F-20670 GOVERNMENT SPECIFICATION

Identification

NSN: 4730-01-189-8653
NIIN: 011898653
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 4730-01-189-8653, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4730-01-189-8653
Item Name	Flange,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Flange Diameter	3.250 INCHES NOMINAL IN
Face Seating Surface Condition	MACHINED
Maximum Operating Temp and Media for Which Designed	775.0 FAHRENHEIT ANY ACCEPTABLE DEGF
Flange Section Style	PLAIN FACE
Style Designator	ROUND, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter	0.562 INCHES NOMINAL IN
Specification/standard Data	81349-MIL-F-20670 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std Data	C TYPE
Bolt Hole Quantity	3
Bolt Circle Diameter	2.125 INCHES NOMINAL IN
Material	STEEL
Thickness	0.438 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
MIL-F-20670	4/1 Identification 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 4730-01-189-8653?

NSN 4730-01-189-8653 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-189-8653?

Key specifications for 4730-01-189-8653: Flange Diameter: 3.250 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Maximum Operating Temp and Media for Which Designed: 775.0 FAHRENHEIT ANY ACCEPTABLE DEGF; Flange Section Style: PLAIN FACE. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-189-8653 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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