The Tubing,branch,heat, cataloged under National Stock Number 4720-01-129-5763, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Te Connectivity Corporation Dba Raychem Product Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Tubing,branch,heat |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Te Connectivity Corporation Dba Raychem Product Division (CAGE 06090); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-129-5763 |
| Primary Part Number | 381A301-51 |
| Item Name | Tubing,branch,heat |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Te Connectivity Corporation Dba Raychem Product Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 381A301-51 PRIMARY | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| 381A301-51-0 | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| 12307569-1 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4720-01-129-5763 is a Tubing,branch,heat, manufactured by Te Connectivity Corporation Dba Raychem Product Division, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-129-5763 has 3 manufacturer part numbers on file: 381A301-51 (Te Connectivity Corporation Dba Raychem Product Division), 381A301-51-0 (Te Connectivity Corporation Dba Raychem Product Division), 12307569-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5970-01-218-2102, 5970-01-219-3948. 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.