The Tube,metallic, cataloged under National Stock Number 4710-01-516-7944, 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 Appleton Marine Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-516-7944 |
| Primary Part Number | 6304521-86 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Measuring Method and Length | 120.000 INCHES NOMINAL STANDARD IN |
| Material Document and Classification | ASTM A213 TYPE 316L SS ASSN STD SINGLE MATERIAL RESPONSE |
| Diameter | 1.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.375 INCHES NOMINAL IN |
| Material | STEEL |
| Construction | SEAMLESS |
| 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 |
|---|---|
| 6304521-86 PRIMARY | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| 6304521 | D/9 Drawing number reference only U.S. Government activity |
NSN 4710-01-516-7944 is a Tube,metallic, manufactured by Appleton Marine Inc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-516-7944 has 1 manufacturer part number on file: 6304521-86 (Appleton Marine Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4710-01-516-7946, 4720-01-516-8063, 4730-01-516-8346. Verify interchangeability with system specifications before substitution.
Key specifications for 6304521-86: Measuring Method and Length: 120.000 INCHES NOMINAL STANDARD IN; Material Document and Classification: ASTM A213 TYPE 316L SS ASSN STD SINGLE MATERIAL RESPONSE; Diameter: 1.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN ROUND. 7 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.