The Tubing,nonmetallic, cataloged under National Stock Number 4710-01-070-4921, 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 Telemechanics Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-070-4921 |
| Primary Part Number | 403456 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUND |
| Exterior Color | BLACK |
| Inside Surface Condition | SMOOTH |
| 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 |
|---|---|
| 403456 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 403456 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 403456 | 5/9 Secondary reference At and T Teletype Corp |
NSN 4710-01-070-4921 is a Tubing,nonmetallic, manufactured by Telemechanics Inc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-070-4921 has 1 manufacturer part number on file: 403456 (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-446-1729. Verify interchangeability with system specifications before substitution.
Key specifications for 403456: Cross-Sectional Shape Style: ROUND; Exterior Color: BLACK; Inside Surface Condition: SMOOTH. 3 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.