The Packing,preformed, cataloged under National Stock Number 5330-00-031-6310, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-031-6310 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.562 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | O-RING |
| Center Hole Diameter | 57.570 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| PACKINGPREF0RMED | 3/1 Design control — primary reference Sperry Rubber and Plastics Co Inc |
| 117856 | 5/9 Secondary reference Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
NSN 5330-00-031-6310 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): 6515-01-426-8581. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-031-6310: Cross-Sectional Height: 0.562 INCHES NOMINAL IN; Cross-Sectional Shape Style: O-RING; Center Hole Diameter: 57.570 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC OVERALL. 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.