The Tube Assembly,metal, cataloged under National Stock Number 4710-01-382-4685, 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 B-C-D Metal Products, Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-382-4685 |
| Primary Part Number | 4901T99G01 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | B-C-D Metal Products, Inc |
| Status | ACTIVE |
| Design Form | STRAIGHT |
| Mating End Quantity | 1 SINGLE END |
| Material Document and Classification | AMS 5557 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.020 INCHES NOMINAL IN |
| End Connection Style | PLAIN SECOND END |
| End Connection Style | UNTHREADED INTERNAL FIRST END |
| Tube Outside Diameter | 0.625 INCHES NOMINAL IN |
| Material | STEEL COMP 30321 TUBING |
| 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 |
|---|---|
| 4901T99G01 | B-C-D Metal Products, Inc (USA) |
| 4901T99G01 | Union Machine Co of Lynn, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4901T99G01 | 3/2 Design control — primary reference U.S. Government activity |
| 4901T99 | D/9 Drawing number reference only U.S. Government activity |
NSN 4710-01-382-4685 is a Tube Assembly,metal, manufactured by B-C-D Metal Products, Inc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-382-4685 has 2 manufacturer part numbers on file: 4901T99G01 (B-C-D Metal Products, Inc), 4901T99G01 (Union Machine Co of Lynn, Inc).
Key specifications for 4901T99G01: Design Form: STRAIGHT; Mating End Quantity: 1 SINGLE END; Material Document and Classification: AMS 5557 ASSN STD SINGLE MATERIAL RESPONSE TUBING; Overall Length: 8.065 INCHES MINIMUM AND 8.105 INCHES MAXIMUM IN. 8 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.
NSN 4710-01-382-4685 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.