Thread Piece, Union4730-01-426-0318

NSN 4730-01-426-0318 · NIIN 014260318

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

Government record, cited

Also searched as 4730-01-426-0318 · 4730014260318 · NIIN 014260318 · 01-426-0318 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · V2D11495-3MA · V2D11495-4MF · V3D10331-8 · V3D10331 ITEM 8

Nearby stock numbers ← 4730-01-426-0317 Restrictor, Fluid Flow · 4730-01-426-0319 Restrictor, Fluid Flow →

4730-01-426-0318 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Thread Piece,union — FSC 4730
Material: STEEL COMP 630

Identification

NSN: 4730-01-426-0318
NIIN: 014260318
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Thread Piece,union, cataloged under National Stock Number 4730-01-426-0318, 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 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4730-01-426-0318
Item Name	Thread Piece,union
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Material	STEEL COMP 630

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
V2D11495-3MA	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
V2D11495-4MF	3/2 Design control — primary reference U.S. Government activity
V3D10331-8	3/2 Design control — primary reference U.S. Government activity
V3D10331 ITEM 8	3/2 Design control — primary 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 4730-01-426-0318?

NSN 4730-01-426-0318 is a Thread Piece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-426-0318?

Key specifications for 4730-01-426-0318: End Item Identification: SEAWOLF CLASS SSN; Material: STEEL COMP 630. 1 specification is documented in the U.S. Government catalog.

Is NSN 4730-01-426-0318 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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