The Packing,preformed, cataloged under National Stock Number 5330-01-556-1075, 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 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-556-1075 |
| Primary Part Number | 3582-004-582 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | MIL-P-24583B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 1.000 INCHES NOMINAL IN |
| Center Hole Diameter | 0.531 INCHES NOMINAL IN |
| Material | FIBER NONASBESTOS AND GRAPHITE 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 |
|---|---|
| 33311-30ITEM15 | Velan Valve Corp. (USA) |
| 3582-004-582 PRIMARY | Velan Valve Corp. (USA) |
| 375/376 | Velan Valve Corp. (USA) |
| 3582-004-375/376 | Velan Valve Corp. (USA) |
NSN 5330-01-556-1075 is a Packing,preformed, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-556-1075 has 4 manufacturer part numbers on file: 33311-30ITEM15 (Velan Valve Corp.), 3582-004-582 (Velan Valve Corp.), 375/376 (Velan Valve Corp.), 3582-004-375/376 (Velan Valve Corp.).
Key specifications for 3582-004-582: Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Material Document and Classification: MIL-P-24583B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 1.000 INCHES NOMINAL IN. 6 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.