The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-221-3167, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-221-3167 |
| Primary Part Number | D2440 PC 94 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-A-24058 TY 3 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-N-23228 MIL SPEC 2ND MATERIAL RESPONSE OR ASTM B168 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN |
| Aperture Diameter | 2.500 INCHES NOMINAL2.500 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 3 TYPE AND B CLASS |
| Material | ASBESTOS CHRYSOTILE AND RUBBER OR NICKEL ALLOY 600 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 |
|---|---|
| D2440 PC 94 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MIL-G-21032 | 4/1 Identification reference U.S. Government activity |
| D2440 PC 94 | 5/9 Secondary reference P J Valves Inc |
NSN 5330-01-221-3167 is a Gasket,spiral Wound, manufactured by Hunt Valve Company, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-221-3167 has 1 manufacturer part number on file: D2440 PC 94 (Hunt Valve Company, Inc.).
Key specifications for D2440 PC 94: Cross-Sectional Thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-A-24058 TY 3 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-N-23228 MIL SPEC 2ND MATERIAL RESPONSE OR ASTM B168 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN. 7 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.