NSN 4730-01-523-5083 · NIIN 015235083 · Part number 51495K253
Mcmaster-Carr Supply Co · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 39428
Government record, cited
NSN 4730-01-523-5083 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-523-5083. Manufacturer of record part number: 51495K253.
Also searched as4730-01-523-5083 ·
4730015235083 ·
NIIN 015235083 ·
01-523-5083 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 39428 · 51495K253
Nearby stock numbers← 4730-01-523-5037 Spool Piece
·
4730-01-523-5153 Adapter, Straight, Pipe to Boss →
4730-01-523-5083 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Coupling,tube — FSC 4730
Connection Style: PLAIN (TUBE) ALL ENDS
Connection Type: THREADED EXTERNAL TUBE ALL ENDS
Style Designator: COUPLING TUBE W/BULKHEAD UNION
Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN
Operating Pressure: 260.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 175.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material: COPPER ALLOY AND NICKEL ALLOY OVERALL
Identification
NSN: 4730-01-523-5083
NIIN: 015235083
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 51495K253
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Coupling,tube, cataloged under National Stock Number 4730-01-523-5083, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE
Frequently Asked Questions
What is NSN 4730-01-523-5083?
NSN 4730-01-523-5083 is a Coupling,tube, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-523-5083?
NSN 4730-01-523-5083 has 2 manufacturer part numbers on file: 51495K253 (Mcmaster-Carr Supply Co), 51495K253 (Mcmaster-Carr Supply Co).
What are the specifications of 51495K253?
Key specifications for 51495K253: Connection Style: PLAIN (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Style Designator: COUPLING TUBE W/BULKHEAD UNION; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-523-5083 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.