The Flange,pipe, cataloged under National Stock Number 4730-01-055-8328, 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 Us Army Aviation and Missile Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-055-8328 |
| Primary Part Number | 11072003 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Flange Diameter | 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN |
| Style Designator | ROUND, TWO BOLT HOLE CIRCLES |
| Inner Bolt Circle Hole Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Outer Bolt Circle Diameter | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-01-055-8328 is a Flange,pipe, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-055-8328 has 2 manufacturer part numbers on file: 11072003 (Spencer Industries Inc), 11072003 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-368-9298. Verify interchangeability with system specifications before substitution.
Key specifications for 11072003: Flange Diameter: 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN; Style Designator: ROUND, TWO BOLT HOLE CIRCLES; Inner Bolt Circle Hole Diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Outer Bolt Circle Diameter: 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.