The Seal,plain Encased, cataloged under National Stock Number 5330-01-039-4535, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-039-4535 |
| Primary Part Number | 8087-987 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Seal Width | 0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 3.242 INCHES MINIMUM AND 3.246 INCHES MAXIMUM IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 2.891 INCHES MINIMUM AND 2.893 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE FILM OVERALL |
| Material | STEEL CASE |
| 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 |
|---|---|
| 12008072 | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| 8087-987 PRIMARY | Greene Tweed & Co Inc (USA) |
| B001TP0344115 PRIMARY | Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) (USA) |
| Reference | Meaning |
|---|---|
| 8087-987 | 5/9 Secondary reference Palmetto Inc |
NSN 5330-01-039-4535 is a Seal,plain Encased, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-039-4535 has 3 manufacturer part numbers on file: 12008072 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 8087-987 (Greene Tweed & Co Inc), B001TP0344115 (Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)).
Key specifications for 8087-987: Seal Width: 0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 3.242 INCHES MINIMUM AND 3.246 INCHES MAXIMUM IN; Case Style: SQUARE. 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.