The Packing Material, cataloged under National Stock Number 5330-01-476-7957, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is William E Williams Valve Corp. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-476-7957 |
| Primary Part Number | 8625MOD NO 14 |
| Item Name | Packing Material |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Temp Rating | -450.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Cross-Sectional Shape Style | SQUARE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| Fabrication Method | BRAIDED |
| 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 |
|---|---|
| 8625MOD NO 14 PRIMARY | William E Williams Valve Corp (USA) |
| 8625-14 | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| 8625MOD | D/9 Drawing number reference only William E Williams Valve Corp |
| 8625MOD-14 | 5/9 Secondary reference William E Williams Valve Corp |
NSN 5330-01-476-7957 is a Packing Material, manufactured by William E Williams Valve Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-476-7957 has 2 manufacturer part numbers on file: 8625MOD NO 14 (William E Williams Valve Corp), 8625-14 (William E Williams Valve Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-476-8060, 5310-01-478-2751. Verify interchangeability with system specifications before substitution.
Key specifications for 8625MOD NO 14: Temp Rating: -450.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Cross-Sectional Shape Style: SQUARE; Special Features: JOHN CRANE STYLE C-1045; End Item Identification: 8 IN 150 STAINLESS STEEL SWING CHECK LEVER AND WEIGHT VALVE IN. 4 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.