4730-00-142-1193 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Reducer,tube — FSC 4730
Connection Style: STREAMLINED W/ TWO BRAZING RINGS (TUBE) FIRST END
Connection Style: PLAIN (TUBE) SECOND END
Nominal Overall Length: 1.188 INCHES IN
Nominal Outside Diameter Tube Accommodated: 0.675 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated: 0.540 INCHES FIRST END IN
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
Identification
NSN: 4730-00-142-1193
NIIN: 001421193
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Reducer,tube, cataloged under National Stock Number 4730-00-142-1193, 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10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed
WATER-OIL-GAS SINGLE RESPONSE
Material
COPPER ALLOY OVERALL
Reference Number Differentiating Characteristics
AS DIFFERENTIATED BY THE OD TUBE ON FIRST ANDSECOND END AND W/PREINSERTED RINGS
Reducer Type
CONCENTRIC
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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-00-142-1194POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
4730-00-142-1195POSSIBLE MATCH
REDUCER,PIPE
Possible match (shared part number)
4730-00-142-1196803-1385951PC2-4POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Naval Sea Systems Command
4730-00-142-1197POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
4730-00-142-1198POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
4730-00-142-1201POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
4730-00-142-1202POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
4730-00-142-1203POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
4730-00-142-1204POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
4730-00-142-1205POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
810-1385951PC1-4
5/9Secondary reference
U.S. Government activity
5000S4823-841338REV5PC7-9
5/9Secondary reference
U.S. Government activity
803-1385951PC1-4
3/1Design control — primary reference
U.S. Government activity
Related Parts
4730-00-142-1194POSSIBLE MATCH
REDUCER,TUBE
4730-00-142-1195POSSIBLE MATCH
REDUCER,PIPE
4730-00-142-1196POSSIBLE MATCH
REDUCER,TUBE
803-1385951PC2-4
4730-00-142-1197POSSIBLE MATCH
REDUCER,TUBE
4730-00-142-1198POSSIBLE MATCH
REDUCER,TUBE
4730-00-142-1201POSSIBLE MATCH
REDUCER,TUBE
4730-00-142-1202POSSIBLE MATCH
REDUCER,TUBE
4730-00-142-1203POSSIBLE MATCH
REDUCER,TUBE
4730-00-142-1204POSSIBLE MATCH
REDUCER,TUBE
4730-00-142-1205POSSIBLE MATCH
REDUCER,TUBE
4730-00-203-0972POSSIBLE MATCH
REDUCER,TUBE
Frequently Asked Questions
What is NSN 4730-00-142-1193?
NSN 4730-00-142-1193 is a Reducer,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-00-142-1193?
11 possible matches (shared part number, not a government interchangeability claim): 4730-00-142-1194, 4730-00-142-1195, 4730-00-142-1196. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-00-142-1193?
Key specifications for 4730-00-142-1193: Connection Style: STREAMLINED W/ TWO BRAZING RINGS (TUBE) FIRST END; Connection Style: PLAIN (TUBE) SECOND END; Nominal Overall Length: 1.188 INCHES IN; Nominal Outside Diameter Tube Accommodated: 0.675 INCHES SECOND END IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-142-1193 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.