The Seal,plain, cataloged under National Stock Number 5330-00-965-9925, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Proponent, Inc. Dba Proponent. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-965-9925 |
| Primary Part Number | 205909 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Proponent, Inc. Dba Proponent |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 270.0 FAHRENHEIT DEGF |
| Seal Width | 0.328 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Housing Bore Diameter | 2.600 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 1.436 INCHES MINIMUM AND 1.439 INCHES MAXIMUM IN |
| Material | STEEL INTERNALLY MOLDED-IN REINFORCEMENT |
| Material | STEEL SPRING |
| Construction | SOLID |
| 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 |
|---|---|
| 205909 | Proponent, Inc. Dba Proponent (USA) |
| Reference | Meaning |
|---|---|
| PS205909 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Div Aerospace - Torrance |
| 205909 | 7/2 Vendor item drawing reference Honeywell International Inc. Div Aerospace - Torrance |
| 501275 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-00-965-9925 is a Seal,plain, manufactured by Proponent, Inc. Dba Proponent, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-965-9925 has 1 manufacturer part number on file: 205909 (Proponent, Inc. Dba Proponent).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-334-1649. Verify interchangeability with system specifications before substitution.
Key specifications for 205909: Temp Rating: -40.0 FAHRENHEIT AND 270.0 FAHRENHEIT DEGF; Seal Width: 0.328 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Housing Bore Diameter: 2.600 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SINGLE LIP. 8 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.