The Seal,plain Encased, cataloged under National Stock Number 5330-01-085-7689, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Prestolite Electric Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-085-7689 |
| Primary Part Number | 74745 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Seal Width | 0.470 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 2.220 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Material | PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) SEALING ELEMENT A |
| Material | PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) SEALING ELEMENT B |
| 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 |
|---|---|
| 50AX149 | Oshkosh Defense Llc (USA) |
| 74745 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 50AX149 | 5/9 Secondary reference Oshkosh Corp |
| 71119 | 5/9 Secondary reference Prestolite Electric Inc |
| 74745 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5330-01-085-7689 is a Seal,plain Encased, manufactured by Prestolite Electric Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-085-7689 has 2 manufacturer part numbers on file: 50AX149 (Oshkosh Defense Llc), 74745 (Prestolite Electric Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5330-01-302-9297, 5365-01-318-2069, 5310-01-686-0974. Verify interchangeability with system specifications before substitution.
Key specifications for 74745: Seal Width: 0.470 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 2.220 INCHES NOMINAL IN; Case Style: SQUARE. 6 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.