The Packing,preformed, cataloged under National Stock Number 5330-00-582-7666, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Mechanical Rubber Products Company, Inc. Dba Mechanical Rubber Prdts Co Inc Div Mechanical Rubber Products Co., Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-582-7666 |
| Primary Part Number | D311-071 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Mechanical Rubber Products Company, Inc. Dba Mechanical Rubber Prdts Co Inc Div Mechanical Rubber Products Co., Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Hardness Rating | 85.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Cross-Sectional Shape Style | U |
| Angle | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| Peripheral Diameter | 2.210 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.280 INCHES MINIMUM AND 1.300 INCHES MAXIMUM 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 |
|---|---|
| D311-071 | Mechanical Rubber Products Company, Inc. Dba Mechanical Rubber Prdts Co Inc Div Mechanical Rubber Products Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| D311-071 | 3/2 Design control — primary reference U.S. Government activity |
| D-311-071 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-00-582-7666 is a Packing,preformed, manufactured by Mechanical Rubber Products Company, Inc. Dba Mechanical Rubber Prdts Co Inc Div Mechanical Rubber Products Co., Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-582-7666 has 1 manufacturer part number on file: D311-071 (Mechanical Rubber Products Company, Inc. Dba Mechanical Rubber Prdts Co Inc Div Mechanical Rubber Products Co., Inc.).
Key specifications for D311-071: Cross-Sectional Height: 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN; Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL; Cross-Sectional Shape Style: U; Angle: 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM. 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.