The Nut,union, cataloged under National Stock Number 4730-01-455-7285, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-455-7285 |
| Primary Part Number | 33764-2 2INCH PC10 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 33764-2 2INCH PC10 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 33764 | D/9 Drawing number reference only Velan Valve Corp. |
NSN 4730-01-455-7285 is a Nut,union, manufactured by Velan Valve Corp., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-455-7285 has 1 manufacturer part number on file: 33764-2 2INCH PC10 (Velan Valve Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-465-4560, 5310-01-556-4629. Verify interchangeability with system specifications before substitution.
Key specifications for 33764-2 2INCH PC10: Material Document and Classification: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: NIMITZ CLASS CVN; Material: STEEL COMP 316 OVERALL. 2 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.