The Flange,pipe,blind, cataloged under National Stock Number 4730-01-511-6347, 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 Heil Trailer International, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Flange,pipe,blind |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Heil Trailer International, Llc (CAGE 1R5C8) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-511-6347 |
| Primary Part Number | M074-4827 |
| Item Name | Flange,pipe,blind |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Heil Trailer International, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M158-4256 INDEX 3 | Heil Trailer International, Llc (USA) |
| M074-4827 PRIMARY | Heil Trailer International, Llc (USA) |
| Reference | Meaning |
|---|---|
| M158-4256 | D/9 Drawing number reference only Heil Trailer International, Llc |
NSN 4730-01-511-6347 is a Flange,pipe,blind, manufactured by Heil Trailer International, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-511-6347 has 2 manufacturer part numbers on file: M158-4256 INDEX 3 (Heil Trailer International, Llc), M074-4827 (Heil Trailer International, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-511-7303. Verify interchangeability with system specifications before substitution.
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.