4730-01-157-6462 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Tailpiece,union — FSC 4730
Union Outside Diameter: 0.655 INCHES NOMINAL IN
Seat Angle in Deg: 45.0
End Connection Type: SWEAT SOLDER
Seat Type: ANGLE
Tubing Outside Diameter: 0.500 INCHES NOMINAL IN
Material: COPPER ALLOY
Identification
NSN: 4730-01-157-6462
NIIN: 011576462
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Tailpiece,union, cataloged under National Stock Number 4730-01-157-6462, 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 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-158-40612640-599ITEM8POSSIBLE MATCH
NUT,UNION
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-274-043311-97-2913AWPOSSIBLE MATCH
FITTING,LUBRICATION
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5315-01-692-30702640-599-PIECE NO 14POSSIBLE MATCH
PIN,SHOULDER,HEADED
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
2640-599
D/9Drawing number reference only
U.S. Government activity
2640-599ITEM5
3/2Design control — primary reference
U.S. Government activity
Related Parts
4730-01-158-4061POSSIBLE MATCH
NUT,UNION
2640-599ITEM8
4730-01-274-0433POSSIBLE MATCH
FITTING,LUBRICATION
11-97-2913AW
5315-01-692-3070POSSIBLE MATCH
PIN,SHOULDER,HEADED
2640-599-PIECE NO 14
Frequently Asked Questions
What is NSN 4730-01-157-6462?
NSN 4730-01-157-6462 is a Tailpiece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-157-6462?
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-158-4061, 4730-01-274-0433, 5315-01-692-3070. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-157-6462?
Key specifications for 4730-01-157-6462: Union Outside Diameter: 0.655 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; End Connection Type: SWEAT SOLDER; Overall Length: 0.375 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-157-6462 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.