The Retainer,packing, cataloged under National Stock Number 5330-01-215-7339, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-215-7339 |
| Primary Part Number | 33310 PIECE 14 1/4 IN |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Material Document and Classification | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL UNS K03504 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 33310 PIECE 14 1/4 IN PRIMARY | Velan Valve Corp. (USA) |
| 1V-2901 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 1BV-2901 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 33310PC141/4IN | C/1 Advisory reference — outside the item-of-supply concept Velan Valve Corp. |
NSN 5330-01-215-7339 is a Retainer,packing, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-215-7339 has 2 manufacturer part numbers on file: 33310 PIECE 14 1/4 IN (Velan Valve Corp.), 1V-2901 (Velan Valve Corp.).
Key specifications for 33310 PIECE 14 1/4 IN: Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL UNS K03504 OVERALL. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.