NSN 4730-01-273-3684 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-273-3684. Manufacturer of record part number: 6122939.
Also searched as4730-01-273-3684 ·
4730012733684 ·
NIIN 012733684 ·
01-273-3684 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 0MB07 · 6122939
4730-01-273-3684 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Flange,pipe — FSC 4730
Flange Diameter: 8.750 INCHES NOMINAL IN
Face Seating Surface Condition: MACHINED
Flange Section Style: RAISED FACE, RAISED NECK
Style Designator: ROUND, NO BOLT HOLES
Neck Height: 1.005 INCHES NOMINAL IN
Raised Face Diameter: 7.950 INCHES NOMINAL IN
Raised Face Height: 1.000 INCHES NOMINAL IN
Identification
NSN: 4730-01-273-3684
NIIN: 012733684
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 6122939
Manufacturer: Whelan Machine & Tool, Llc
General Description
The Flange,pipe, cataloged under National Stock Number 4730-01-273-3684, 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 Whelan Machine & Tool, Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 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 4730-01-273-3684?
NSN 4730-01-273-3684 is a Flange,pipe, manufactured by Whelan Machine & Tool, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-273-3684?
NSN 4730-01-273-3684 has 2 manufacturer part numbers on file: 6122939 (Naval Sea Systems Command), 6122939 (Whelan Machine & Tool, Llc).
What are the specifications of 6122939?
Key specifications for 6122939: Flange Diameter: 8.750 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Flange Section Style: RAISED FACE, RAISED NECK; Style Designator: ROUND, NO BOLT HOLES. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-273-3684 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.