Tailpiece, Union4730-01-618-4040

NSN 4730-01-618-4040 · NIIN 016184040

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

Government record, cited

Also searched as 4730-01-618-4040 · 4730016184040 · NIIN 016184040 · 01-618-4040 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings

Nearby stock numbers ← 4730-01-618-4000 Manifold Assembly, Hydraulic · 4730-01-618-4088 Union, Tube →

4730-01-618-4040 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Tailpiece,union — FSC 4730
Union Outside Diameter: 0.855 INCHES NOMINAL IN
End Connection Type: WELDED
Material: STEEL CORROSION RESISTING

Identification

NSN: 4730-01-618-4040
NIIN: 016184040
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Tailpiece,union, cataloged under National Stock Number 4730-01-618-4040, 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 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4730-01-618-4040
Item Name	Tailpiece,union
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Union Outside Diameter	0.855 INCHES NOMINAL IN
End Connection Type	WELDED
Material	STEEL CORROSION RESISTING

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
51R-3-1	3/9 Design control — primary reference Peterson Harry S Co Inc

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 4730-01-618-4040?

NSN 4730-01-618-4040 is a Tailpiece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-618-4040?

Key specifications for 4730-01-618-4040: Union Outside Diameter: 0.855 INCHES NOMINAL IN; End Connection Type: WELDED; Overall Length: 0.125 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: TAILPIECE, UNION. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-618-4040 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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