The Seal,plain, cataloged under National Stock Number 5330-01-680-8050, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Desmi Limited. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-680-8050 |
| Primary Part Number | S10 CB/SSC S FKM, 31,74MM DIA |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Desmi Limited |
| Status | ACTIVE |
| Accommodated Shaft Diameter | 31.74 MILLIMETERS NOMINAL MM |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| S10 CB/SSC S FKM, 31,74MM DIA | Desmi Limited (GBR) |
| S10 31.74 CB/SSC S FKM | Desmi Limited (GBR) |
| Reference | Meaning |
|---|---|
| S10 CB/SSC S FKM, 31,74MM DIA | 3/9 Design control — primary reference A. W. Chesterton Company |
| S10 31.74 CB/SSC S FKM | 5/9 Secondary reference A. W. Chesterton Company |
NSN 5330-01-680-8050 is a Seal,plain, manufactured by Desmi Limited, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-680-8050 has 2 manufacturer part numbers on file: S10 CB/SSC S FKM, 31,74MM DIA (Desmi Limited), S10 31.74 CB/SSC S FKM (Desmi Limited).
Key specifications for S10 CB/SSC S FKM, 31,74MM DIA: Accommodated Shaft Diameter: 31.74 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: CASSETTE SEAL; Construction: ONE-PIECE. 2 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.