PartsTable TECHNICAL DATA SHEET

NSN 4730-01-182-4609Government record, cited

Thread Piece, Union4730-01-182-4609

NSN 4730-01-182-4609 · NIIN 011824609

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

Government record, cited

Also searched as 4730-01-182-4609 · 4730011824609 · NIIN 011824609 · 01-182-4609 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 810-1385884 PC 1 1/2 IN IPS CUNI · 803-1385884 · 810-1385884 PC 1 1/2 IN IPS · 810-1385884 · 803-1385884 PC 1 1/2 IN IPS CUNI

Nearby stock numbers ← 4730-01-182-4608 Thread Piece, Union · 4730-01-182-5146 Clamp, Hose →

4730-01-182-4609 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Thread Piece,union — FSC 4730
Union End Thread Direction: RIGHT-HAND
Nominal Pipe Size Designation: 0.500 INCHES IN
End Connection Type: WELDED
Union End Thread Size: 1-3/4-12
Seat Type: STRAIGHT FACE
Union End Screw Thread Series Designator: UN
Material: COPPER ALLOY 715

Identification

NSN: 4730-01-182-4609
NIIN: 011824609
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 4730-01-182-4609, 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 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-182-4609
Item Name	Thread Piece,union
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Union End Thread Direction	RIGHT-HAND
Nominal Pipe Size Designation	0.500 INCHES IN
End Connection Type	WELDED
Union End Thread Size	1-3/4-12
Seat Type	STRAIGHT FACE
Union End Screw Thread Series Designator	UN
Material	COPPER ALLOY 715
Working Pressure and Service Type	6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL GAS AND 6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL AND 6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER LBS

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

⇄ Related Items 7

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4730-01-184-4759803-1385884 PC1 2IN IPS CRES POSSIBLE MATCH

THREAD PIECE,UNION

Possible match (shared part number)Naval Ship Systems Command

4730-01-207-6092803-1385884 PC 6 1/2 IN SW CRES POSSIBLE MATCH

TAILPIECE,UNION

Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing

4730-01-394-5447B14521.001.150 POSSIBLE MATCH

TAILPIECE,UNION

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

4730-01-482-2668S2D10615-1 POSSIBLE MATCH

THREAD PIECE,UNION

Possible match (shared part number)Vacco Industries

4730-01-628-2333803-1385884 PC8,3/8IN,CUNI 70/30 POSSIBLE MATCH

NUT,UNION

Possible match (shared part number)Naval Ship Systems Command

4730-01-690-0791803-1385884PC8,1INNICUALSTDTHD POSSIBLE MATCH

NUT,UNION

Possible match (shared part number)Naval Ship Systems Command

4730-01-690-48161385884PC6,1NPS(M15726)NOORING POSSIBLE MATCH

TAILPIECE,UNION

Possible match (shared part number)Naval Ship Systems Command

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
810-1385884 PC 1 1/2 IN IPS CUNI	5/2 Secondary reference U.S. Government activity
803-1385884	D/9 Drawing number reference only U.S. Government activity
810-1385884 PC 1 1/2 IN IPS	5/1 Secondary reference U.S. Government activity
810-1385884	D/9 Drawing number reference only U.S. Government activity
803-1385884 PC 1 1/2 IN IPS CUNI	3/2 Design control — primary reference U.S. Government activity

Related Parts

4730-01-184-4759POSSIBLE MATCH

THREAD PIECE,UNION

803-1385884 PC1 2IN IPS CRES

4730-01-207-6092POSSIBLE MATCH

TAILPIECE,UNION

803-1385884 PC 6 1/2 IN SW CRES

4730-01-394-5447POSSIBLE MATCH

TAILPIECE,UNION

B14521.001.150

4730-01-482-2668POSSIBLE MATCH

THREAD PIECE,UNION

S2D10615-1

4730-01-628-2333POSSIBLE MATCH

NUT,UNION

803-1385884 PC8,3/8IN,CUNI 70/30

4730-01-690-0791POSSIBLE MATCH

NUT,UNION

803-1385884PC8,1INNICUALSTDTHD

4730-01-690-4816POSSIBLE MATCH

TAILPIECE,UNION

1385884PC6,1NPS(M15726)NOORING

Frequently Asked Questions

What is NSN 4730-01-182-4609?

NSN 4730-01-182-4609 is a Thread Piece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-182-4609?

7 possible matches (shared part number, not a government interchangeability claim): 4730-01-184-4759, 4730-01-207-6092, 4730-01-394-5447. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-182-4609?

Key specifications for 4730-01-182-4609: Union End Thread Direction: RIGHT-HAND; Nominal Pipe Size Designation: 0.500 INCHES IN; End Connection Type: WELDED; Union End Thread Size: 1-3/4-12. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-182-4609 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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