The Packing Assembly, cataloged under National Stock Number 5330-01-100-8587, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is C. E. Conover & Co., Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-100-8587 |
| Primary Part Number | CEC4981-011 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | C. E. Conover & Co., Inc. |
| Status | ACTIVE |
| Outside Diameter | 0.441 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Cross-Sectional Shape Style | O-RING INTERMEDIATE RING |
| Inside Diameter | 0.301 INCHES NOMINAL IN |
| Height | 0.170 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING |
| Material | RUBBER SYNTHETIC INTERMEDIATE RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE TOP RING |
| 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 |
|---|---|
| CEC4981-011 PRIMARY | C. E. Conover & Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5330PL1939881 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5330-01-100-8587 is a Packing Assembly, manufactured by C. E. Conover & Co., Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-100-8587 has 1 manufacturer part number on file: CEC4981-011 (C. E. Conover & Co., Inc.).
Key specifications for CEC4981-011: Outside Diameter: 0.441 INCHES NOMINAL IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR BOTTOM RING; Cross-Sectional Shape Style: SQUARE/RECTANGULAR TOP RING; Cross-Sectional Shape Style: O-RING INTERMEDIATE RING. 9 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.