The Packing Assembly, cataloged under National Stock Number 5330-01-529-9850, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-529-9850 |
| Primary Part Number | 8682-003-378 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Material Document and Classification | MIL-P-24503 B, TY 2, CL 2, GRD 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR OVERALL |
| Inside Diameter | 1.250 INCHES NOMINAL IN |
| Height | 1.872 INCHES NOMINAL IN |
| Material | 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 |
|---|---|
| 8682-003-378 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| P3-43949-G01 NOTE6 INTERMEDIATE | 5/9 Secondary reference Velan Valve Corp. |
NSN 5330-01-529-9850 is a Packing Assembly, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-529-9850 has 1 manufacturer part number on file: 8682-003-378 (Velan Valve Corp.).
Key specifications for 8682-003-378: Outside Diameter: 1.875 INCHES NOMINAL IN; Material Document and Classification: MIL-P-24503 B, TY 2, CL 2, GRD 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR OVERALL; Inside Diameter: 1.250 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.