Expansion Joint, Pipe4730-01-321-7737

NSN 4730-01-321-7737 · NIIN 013217737

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

Government record, cited

Also searched as 4730-01-321-7737 · 4730013217737 · NIIN 013217737 · 01-321-7737 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · MILE15330DCLATY1SZ1.5X10.5#150 · MIL-E-15330

Nearby stock numbers ← 4730-01-321-7736 Expansion Joint, Pipe · 4730-01-321-7738 Expansion Joint, Pipe →

4730-01-321-7737 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Expansion Joint,pipe — FSC 4730
Nominal Pipe Size Designation: 1.500 INCHES IN
Design Type: SPOOL
End Connection Type: FLANGED
Traverse Maximum Length: 7.000 INCHES IN
Bolt Hole Diameter: 0.562 INCHES NOMINAL IN
Nondefinitive Spec/std Data: A CLASS AND 1 TYPE
Bolt Hole Quantity: 6

Identification

NSN: 4730-01-321-7737
NIIN: 013217737
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 4730-01-321-7737, 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 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4730-01-321-7737
Item Name	Expansion Joint,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Nominal Pipe Size Designation	1.500 INCHES IN
Design Type	SPOOL
End Connection Type	FLANGED
Traverse Maximum Length	7.000 INCHES IN
Bolt Hole Diameter	0.562 INCHES NOMINAL IN
Nondefinitive Spec/std Data	A CLASS AND 1 TYPE
Bolt Hole Quantity	6
Bolt Circle Diameter	1.900 INCHES NOMINAL IN
Material	COPPER ALLOY 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
MILE15330DCLATY1SZ1.5X10.5#150	2/2 Government specification standardization U.S. Government activity
MIL-E-15330	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 4730-01-321-7737?

NSN 4730-01-321-7737 is a Expansion Joint,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-321-7737?

Key specifications for 4730-01-321-7737: Nominal Pipe Size Designation: 1.500 INCHES IN; Design Type: SPOOL; End Connection Type: FLANGED; Traverse Maximum Length: 7.000 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-321-7737 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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