The Packing Assembly, cataloged under National Stock Number 5330-00-952-5625, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-00-952-5625 |
| Primary Part Number | 1622-001-316 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Intermediate Ring Quantity | 4 |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR INTERMEDIATE RING |
| Inside Diameter | 0.406 INCHES NOMINAL IN |
| Height | 0.936 INCHES NOMINAL IN |
| Material | ASBESTOS AND NICKEL ALLOY BOTTOM RING |
| Material | ASBESTOS AND NICKEL ALLOY INTERMEDIATE RING |
| Material | ASBESTOS AND NICKEL ALLOY TOP RING |
| Joint Type | BUTT BOTTOM RING |
| Joint Type | BUTT TOP RING |
| Joint Type | BUTT INTERMEDIATE RING |
| 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 |
|---|---|
| 1622-001-316 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 4V3701 | 5/9 Secondary reference Velan Valve Corp. |
NSN 5330-00-952-5625 is a Packing Assembly, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-952-5625 has 1 manufacturer part number on file: 1622-001-316 (Velan Valve Corp.).
Key specifications for 1622-001-316: Intermediate Ring Quantity: 4; Outside Diameter: 0.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR BOTTOM RING; Cross-Sectional Shape Style: SQUARE/RECTANGULAR TOP RING. 13 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.