The Seal,plain, cataloged under National Stock Number 5330-00-352-0519, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-352-0519 |
| Primary Part Number | ST7M328-325 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites |
| Status | ACTIVE |
| Seal Width | 0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Housing Bore Diameter | 3.810 INCHES MINIMUM AND 3.855 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 3.220 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q AND GLASS SEALING ELEMENT |
| 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 |
|---|---|
| ST7M328-325 PRIMARY | Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites (USA) |
| Reference | Meaning |
|---|---|
| 490-325 | 5/9 Secondary reference Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc |
| 690-325 | 5/9 Secondary reference Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites |
| ST7M328-325 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 690-325 | 5/9 Secondary reference Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc |
NSN 5330-00-352-0519 is a Seal,plain, manufactured by Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-352-0519 has 1 manufacturer part number on file: ST7M328-325 (Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites).
3 possible matches (shared part number, not a government interchangeability claim): 5360-01-080-9061, 4330-01-425-1008, 4330-01-425-2852. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M328-325: Seal Width: 0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Housing Bore Diameter: 3.810 INCHES MINIMUM AND 3.855 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SINGLE LIP; Accommodated Shaft Diameter: 3.220 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN. 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.