The Packing,preformed, cataloged under National Stock Number 5330-01-031-8374, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-031-8374 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZW |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Departure From Cited Document | AS MODIFIED BY SPECIAL QUALITY CONTROL TESTING FOR MK 48 TORPEDO |
| Peripheral Diameter | 1.061 INCHES MINIMUM AND 1.077 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.927 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 2508809 | 3/1 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5330-01-031-8374 is a Packing,preformed, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-548-5630. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-031-8374: Cross-Sectional Height: 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Criticality Code Justification: ZZZW; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Departure From Cited Document: AS MODIFIED BY SPECIAL QUALITY CONTROL TESTING FOR MK 48 TORPEDO. 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.