NSN 4730-01-274-4937 · NIIN 012744937 · Part number 7063850-X1XX-2
Naval Sea Systems Command · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53711
Government record, cited
NSN 4730-01-274-4937 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-274-4937. Manufacturer of record part number: 7063850-X1XX-2.
4730-01-274-4937 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Tailpiece,union — FSC 4730
Union Outside Diameter: 0.828 INCHES NOMINAL IN
Nominal Pipe Size Designation: 0.250 INCHES IN
End Connection Type: WELDED
Seat Type: GASKET
Material: COPPER ALLOY 706
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4730-01-274-4937
NIIN: 012744937
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 7063850-X1XX-2
Manufacturer: Naval Sea Systems Command
General Description
The Tailpiece,union, cataloged under National Stock Number 4730-01-274-4937, 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 Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 4730-01-274-4937 is a Tailpiece,union, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-274-4937?
NSN 4730-01-274-4937 has 1 manufacturer part number on file: 7063850-X1XX-2 (Naval Sea Systems Command).
What NSN replaces 4730-01-274-4937?
7 possible matches (shared part number, not a government interchangeability claim): 5330-01-359-6970, 5330-01-377-3268, 5330-01-430-9483. Verify interchangeability with system specifications before substitution.
What are the specifications of 7063850-X1XX-2?
Key specifications for 7063850-X1XX-2: Union Outside Diameter: 0.828 INCHES NOMINAL IN; Nominal Pipe Size Designation: 0.250 INCHES IN; End Connection Type: WELDED; Overall Length: 0.812 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-274-4937 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.