4730-00-142-1188 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Adapter,straight,pipe to Tube — FSC 4730
Connection Style: SOCKET BRAZING RING (TUBE) FIRST END
Connection Style: PLAIN (PIPE) SECOND END
Nominal Overall Length: 1.875 INCHES IN
Nominal Outside Diameter Tube Accommodated: 1.050 INCHES FIRST END IN
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size: 0.750 INCHES SECOND END IN
Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
Identification
NSN: 4730-00-142-1188
NIIN: 001421188
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-142-1188, 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10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
Nominal Thread Size
0.750 INCHES SECOND END IN
Media for Which Designed
WATER-OIL-GAS SINGLE RESPONSE
Material
COPPER ALLOY OVERALL
Thread Series Designator
NPT SECOND END
Reference Number Differentiating Characteristics
AS DIFFERENTIATED BY TUBE OD,PIPE SIZE; BRAZING RING PACKAGED SEPARATELY AND ATTACHED.
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.
4730-00-142-1192POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
4730-00-142-1199POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
4730-00-203-0924POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)
4730-00-203-0941POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)
2040-00-273-0683POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Possible match (shared part number)
2040-00-273-0684POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Possible match (shared part number)
2040-00-273-0685POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Possible match (shared part number)
2040-00-273-0686POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Possible match (shared part number)
2040-00-273-06871385866 PLAIN 1.00 INCHPOSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Possible match (shared part number)Naval Ship Systems Command
2040-00-273-0689810-2145801-1 1/2 INCHPOSSIBLE MATCH
BULKHEAD SLEEVE
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
5000S4823-841338P2&9 3/4 INCH
3/1Design control — primary reference
U.S. Government activity
5000S4823-841338
D/9Drawing number reference only
U.S. Government activity
Related Parts
4730-00-142-1192POSSIBLE MATCH
REDUCER,TUBE
4730-00-142-1199POSSIBLE MATCH
REDUCER,TUBE
4730-00-203-0924POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-203-0941POSSIBLE MATCH
REDUCER,TUBE
2040-00-273-0683POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
2040-00-273-0684POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
2040-00-273-0685POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
2040-00-273-0686POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
2040-00-273-0687POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
1385866 PLAIN 1.00 INCH
2040-00-273-0689POSSIBLE MATCH
BULKHEAD SLEEVE
810-2145801-1 1/2 INCH
2040-00-273-0690POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Frequently Asked Questions
What is NSN 4730-00-142-1188?
NSN 4730-00-142-1188 is a Adapter,straight,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-00-142-1188?
11 possible matches (shared part number, not a government interchangeability claim): 4730-00-142-1192, 4730-00-142-1199, 4730-00-203-0924. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-00-142-1188?
Key specifications for 4730-00-142-1188: Connection Style: SOCKET BRAZING RING (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 1.875 INCHES IN; Nominal Outside Diameter Tube Accommodated: 1.050 INCHES FIRST END IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-142-1188 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.