The Pipe Assembly,metal, cataloged under National Stock Number 4710-01-691-1003, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Heil Trailer International Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | Pipe Assembly,metal |
| FSC / FSG | 4710 — Pipe, Tube and Rigid Tubing (FSG 47) |
| Manufacturers | Heil Trailer International Llc (CAGE 63576) |
| Parameter | Value |
|---|---|
| NSN | 4710-01-691-1003 |
| Primary Part Number | M158-4671-2 |
| Item Name | Pipe Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Heil Trailer International Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M158-4671-2 PRIMARY | Heil Trailer International Llc (USA) |
NSN 4710-01-691-1003 is a Pipe Assembly,metal, manufactured by Heil Trailer International Llc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-691-1003 has 1 manufacturer part number on file: M158-4671-2 (Heil Trailer International Llc).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-714-8496. 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.
NSN 4710-01-691-1003 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.