The Retainer,packing, cataloged under National Stock Number 5330-00-135-4643, 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 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-135-4643 |
| Primary Part Number | CEC4-3248 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | C. E. Conover & Co., Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.107 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Peripheral Diameter | 1.408 INCHES MINIMUM AND 1.412 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.236 INCHES MINIMUM AND 1.244 INCHES MAXIMUM IN |
| 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 |
|---|---|
| CEC4-3248 | C. E. Conover & Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2-300-345-01 | 1/2 Source control — Government-approved source U.S. Government activity |
| CEC3248 | 3/9 Design control — primary reference C. E. Conover & Co., Inc. |
| 2-300-345 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-135-4643 is a Retainer,packing, manufactured by C. E. Conover & Co., Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-135-4643 has 1 manufacturer part number on file: CEC4-3248 (C. E. Conover & Co., Inc.).
Key specifications for CEC4-3248: Cross-Sectional Height: 0.107 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Peripheral Diameter: 1.408 INCHES MINIMUM AND 1.412 INCHES MAXIMUM IN; Center Hole Diameter: 1.236 INCHES MINIMUM AND 1.244 INCHES MAXIMUM IN. 3 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.