PartsTable TECHNICAL DATA SHEET

NSN 4730-01-152-3197Government record, cited

Tailpiece, Union4730-01-152-3197

NSN 4730-01-152-3197 · NIIN 011523197

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

Government record, cited

Also searched as 4730-01-152-3197 · 4730011523197 · NIIN 011523197 · 01-152-3197 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 810-135884PC6SIZE1/2IPS · 810-135884 · 1385884 · 501-4686148 · 14-45-0072

Nearby stock numbers ← 4730-01-152-3150 Strainer Element, Sediment · 4730-01-152-3324 Ring Kit →

4730-01-152-3197 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Tailpiece,union — FSC 4730
Nominal Pipe Size Designation: 0.500 INCHES IN
Flange Thickness: 0.312 INCHES NOMINAL IN
End Connection Type: WELDED
Seat Type: GASKET
Material: COPPER ALLOY 706
Flange Outside Diameter: 1.625 INCHES NOMINAL IN

Identification

NSN: 4730-01-152-3197
NIIN: 011523197
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 4730-01-152-3197, 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 6 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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	4730-01-152-3197
Item Name	Tailpiece,union
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Nominal Pipe Size Designation	0.500 INCHES IN
Flange Thickness	0.312 INCHES NOMINAL IN
End Connection Type	WELDED
Seat Type	GASKET
Material	COPPER ALLOY 706
Flange Outside Diameter	1.625 INCHES NOMINAL IN

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 8

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

4730-01-185-83381385884 PC-6 3/8 IPS POSSIBLE MATCH

TAILPIECE,UNION

Possible match (shared part number)Naval Ship Systems Command

4730-01-415-4934S3E10036-3 POSSIBLE MATCH

THREAD PIECE,UNION

Possible match (shared part number)Vacco Industries

5310-01-417-860713858-84 POSSIBLE MATCH

WASHER,FLAT

Possible match (shared part number)Elbitamerica, Inc.

4730-01-423-8762803-1385884 PC 6 .750IN SST POSSIBLE MATCH

TAILPIECE,UNION

Possible match (shared part number)Naval Ship Systems Command

4730-01-442-3877803-1385884 PC 6 1.5IN NOM POSSIBLE MATCH

TAILPIECE,UNION

Possible match (shared part number)Naval Ship Systems Command

4730-01-468-54159223-P305 POSSIBLE MATCH

TAILPIECE,UNION

Possible match (shared part number)Cepeda Associates, Inc. Dba Cepeda Associates Inc

4730-01-512-4657810-1385884 PC 1,6,8,9 1.5 NPS POSSIBLE MATCH

UNION,PIPE

Possible match (shared part number)Naval Ship Systems Command

4730-01-620-4818551-7068102-F230 POSSIBLE MATCH

UNION,PIPE

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

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

Reference documents

Reference	Meaning
810-135884PC6SIZE1/2IPS	5/9 Secondary reference U.S. Government activity
810-135884	5/9 Secondary reference U.S. Government activity
1385884	D/9 Drawing number reference only U.S. Government activity
501-4686148	D/9 Drawing number reference only U.S. Government activity
14-45-0072	5/1 Secondary reference U.S. Government activity
501-4686148 ITEM F12	5/1 Secondary reference U.S. Government activity
1385884 PC6 1/2 INCH	3/2 Design control — primary reference U.S. Government activity

Related Parts

4730-01-185-8338POSSIBLE MATCH

TAILPIECE,UNION

1385884 PC-6 3/8 IPS

4730-01-415-4934POSSIBLE MATCH

THREAD PIECE,UNION

S3E10036-3

5310-01-417-8607POSSIBLE MATCH

WASHER,FLAT

13858-84

4730-01-423-8762POSSIBLE MATCH

TAILPIECE,UNION

803-1385884 PC 6 .750IN SST

4730-01-442-3877POSSIBLE MATCH

TAILPIECE,UNION

803-1385884 PC 6 1.5IN NOM

4730-01-468-5415POSSIBLE MATCH

TAILPIECE,UNION

9223-P305

4730-01-512-4657POSSIBLE MATCH

UNION,PIPE

810-1385884 PC 1,6,8,9 1.5 NPS

4730-01-620-4818POSSIBLE MATCH

UNION,PIPE

551-7068102-F230

Frequently Asked Questions

What is NSN 4730-01-152-3197?

NSN 4730-01-152-3197 is a Tailpiece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-152-3197?

8 possible matches (shared part number, not a government interchangeability claim): 4730-01-185-8338, 4730-01-415-4934, 5310-01-417-8607. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-152-3197?

Key specifications for 4730-01-152-3197: Nominal Pipe Size Designation: 0.500 INCHES IN; Flange Thickness: 0.312 INCHES NOMINAL IN; End Connection Type: WELDED; Overall Length: 1.125 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-152-3197 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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