Expansion Joint, Pipe4730-01-367-5003

NSN 4730-01-367-5003 · NIIN 013675003

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

Government record, cited

Also searched as 4730-01-367-5003 · 4730013675003 · NIIN 013675003 · 01-367-5003 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 550421E 21X23 1/2IN · 550421-E

Nearby stock numbers ← 4730-01-367-4990 · 4730-01-367-5344 Elbow, Tube →

4730-01-367-5003 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Expansion Joint,pipe — FSC 4730
Design Type: CORRUGATED ELEMENT
End Connection Type: FLANGED
Bolt Hole Diameter: 1.250 INCHES NOMINAL IN
Bolt Hole Quantity: 32
Bolt Circle Diameter: 23.500 INCHES MAXIMUM AND 21.000 INCHES MINIMUM IN
Material: STEEL FLANGE
Joint Type: SINGLE

Identification

NSN: 4730-01-367-5003
NIIN: 013675003
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-367-5003, 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 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4730-01-367-5003
Item Name	Expansion Joint,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Design Type	CORRUGATED ELEMENT
End Connection Type	FLANGED
Bolt Hole Diameter	1.250 INCHES NOMINAL IN
Bolt Hole Quantity	32
Bolt Circle Diameter	23.500 INCHES MAXIMUM AND 21.000 INCHES MINIMUM IN
Material	STEEL FLANGE
Joint Type	SINGLE

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
550421E 21X23 1/2IN	3/2 Design control — primary reference U.S. Government activity
550421-E	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 4730-01-367-5003?

NSN 4730-01-367-5003 is a Expansion Joint,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-367-5003?

Key specifications for 4730-01-367-5003: Design Type: CORRUGATED ELEMENT; End Connection Type: FLANGED; Bolt Hole Diameter: 1.250 INCHES NOMINAL IN; Bolt Hole Quantity: 32. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-367-5003 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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