The Seal,plain Encased, cataloged under National Stock Number 5330-01-449-2902, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Wellman Group. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-449-2902 |
| Primary Part Number | 2771500 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Wellman Group |
| Status | ACTIVE |
| Material | RUBBER FLUOROCARBON CLASS FPM AND ALUMINUM ALLOY 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 |
|---|---|
| 2771500 | Wellman Group (GBR) |
| Reference | Meaning |
|---|---|
| 2771500 | 3/9 Design control — primary reference Paxton Products Inc |
NSN 5330-01-449-2902 is a Seal,plain Encased, manufactured by Wellman Group, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-449-2902 has 1 manufacturer part number on file: 2771500 (Wellman Group).
Key specifications for 2771500: Special Features: OUTSIDE DIA. 1.188 IN. INSIDE DIA. 1.125 IN. IN; End Item Identification: H.M. SHIP AIR BLOWER VR-70-86-F; Material: RUBBER FLUOROCARBON CLASS FPM AND ALUMINUM ALLOY OVERALL. 1 specification is 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.