The Packing,preformed, cataloged under National Stock Number 5330-01-126-5279, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Prc Composites, Llc Dba Globe Plastics. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-126-5279 |
| Primary Part Number | 100549-4 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Prc Composites, Llc Dba Globe Plastics |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.453 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.500 INCHES NOMINAL IN |
| Hardness Rating | 25.0 SHORE DUROMETER A MINIMUM AND 35.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Material Document and Classification | MIL-R-6855,CL 2,GR 30 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-R-6855,CL 4,GR 30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | CUP |
| Peripheral Diameter | 4.391 INCHES MINIMUM AND 4.406 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.340 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR 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 |
|---|---|
| 100549 ITEM 7 | Prc Composites, Llc Dba Globe Plastics (USA) |
| 100549-4 PRIMARY | Prc Composites, Llc Dba Globe Plastics (USA) |
NSN 5330-01-126-5279 is a Packing,preformed, manufactured by Prc Composites, Llc Dba Globe Plastics, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-126-5279 has 2 manufacturer part numbers on file: 100549 ITEM 7 (Prc Composites, Llc Dba Globe Plastics), 100549-4 (Prc Composites, Llc Dba Globe Plastics).
Key specifications for 100549-4: Cross-Sectional Thickness: 0.453 INCHES NOMINAL IN; Cross-Sectional Height: 0.500 INCHES NOMINAL IN; Hardness Rating: 25.0 SHORE DUROMETER A MINIMUM AND 35.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: MIL-R-6855,CL 2,GR 30 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-R-6855,CL 4,GR 30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.