4730-01-124-3718 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Union,pipe — FSC 4730
Connection Style: PLAIN (PIPE) ALL ENDS
Connection Type: THREADED INTERNAL PIPE ALL ENDS
Operating Pressure: 215.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size: 2.000 INCHES ALL ENDS IN
Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material: NICKEL ALLOY OVERALL
Thread Series Designator: NPT ALL ENDS
Identification
NSN: 4730-01-124-3718
NIIN: 011243718
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Union,pipe, cataloged under National Stock Number 4730-01-124-3718, 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 7 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
215.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size
2.000 INCHES ALL ENDS IN
Maximum Operating Temp
180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material
NICKEL ALLOY OVERALL
Thread Series Designator
NPT ALL ENDS
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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-124-9354845-2445110ASSYBBPOSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-126-6818845-2445110ASSYBFPOSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-128-16592445110-00CWPOSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-128-1660845-2445110ASSYBHPOSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO BOSS
Possible match (shared part number)Naval Ship Systems Command
4730-01-128-23132445110-00CVPOSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-130-85212445110-00CMPOSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-131-24252445110-00CTPOSSIBLE MATCH
UNION,PIPE TO TUBE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-143-28692445110-00DEPOSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-184-68322445110-00BUPOSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-189-72992632-500X11ASSY DJPOSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
845-2445110ASSYBE
3/2Design control — primary reference
U.S. Government activity
2632-500X11
D/9Drawing number reference only
U.S. Government activity
14-02-2755
5/2Secondary reference
U.S. Government activity
845-2445110
D/9Drawing number reference only
U.S. Government activity
2632-500X11ASSYBF
3/2Design control — primary reference
U.S. Government activity
Related Parts
4730-01-124-9354POSSIBLE MATCH
UNION,PIPE
845-2445110ASSYBB
4730-01-126-6818POSSIBLE MATCH
UNION,PIPE
845-2445110ASSYBF
4730-01-128-1659POSSIBLE MATCH
UNION,PIPE
2445110-00CW
4730-01-128-1660POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO BOSS
845-2445110ASSYBH
4730-01-128-2313POSSIBLE MATCH
UNION,PIPE
2445110-00CV
4730-01-130-8521POSSIBLE MATCH
UNION,PIPE
2445110-00CM
4730-01-131-2425POSSIBLE MATCH
UNION,PIPE TO TUBE
2445110-00CT
4730-01-143-2869POSSIBLE MATCH
UNION,PIPE
2445110-00DE
4730-01-184-6832POSSIBLE MATCH
UNION,PIPE
2445110-00BU
4730-01-189-7299POSSIBLE MATCH
UNION,PIPE
2632-500X11ASSY DJ
Frequently Asked Questions
What is NSN 4730-01-124-3718?
NSN 4730-01-124-3718 is a Union,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-124-3718?
10 possible matches (shared part number, not a government interchangeability claim): 4730-01-124-9354, 4730-01-126-6818, 4730-01-128-1659. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-124-3718?
Key specifications for 4730-01-124-3718: Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Operating Pressure: 215.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Thread Size: 2.000 INCHES ALL ENDS IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-124-3718 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.