The Seal,plain Encased, cataloged under National Stock Number 5330-00-409-3357, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-409-3357 |
| Primary Part Number | 15799FX |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Seal Width | 0.469 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 3.350 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 2.375 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| 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 |
|---|---|
| 15799FX PRIMARY | Oshkosh Defense Llc (USA) |
| 336D999H10 | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 15799FX | 5/9 Secondary reference Oshkosh Corp |
| 23730 | 5/9 Secondary reference U.S. Government activity |
| 336D999H10 | 5/9 Secondary reference U.S. Government activity |
| 00044 | 5/1 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 335W212M1 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-409-3357 is a Seal,plain Encased, manufactured by Oshkosh Defense Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-409-3357 has 2 manufacturer part numbers on file: 15799FX (Oshkosh Defense Llc), 336D999H10 (Northrop Grumman Support Services Corp).
3 possible matches (shared part number, not a government interchangeability claim): 4820-00-419-3201, 6620-00-656-3702, 5910-00-947-6978. Verify interchangeability with system specifications before substitution.
Key specifications for 15799FX: Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Seal Width: 0.469 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 3.350 INCHES NOMINAL IN. 9 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.