The Seal,plain, cataloged under National Stock Number 5330-01-723-7232, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-723-7232 |
| Primary Part Number | ST7M349-20 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Temp Rating | -80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF |
| Seal Width | 0.380 INCHES NOMINAL IN |
| Housing Bore Diameter | 2.00 INCHES NOMINAL IN |
| Material Document and Classification | ZZ-R-765 OR A-A-59588 CLASS 3,GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Accommodated Shaft Diameter | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| 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 |
|---|---|
| ST7M349-20 PRIMARY | The Boeing Company Div Defense (USA) |
| ST7M349-20 | Sealtite Corp Div Sealtite Corporation (USA) |
| ST7M349-20 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| Reference | Meaning |
|---|---|
| ST7M349 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5330-01-723-7232 is a Seal,plain, manufactured by The Boeing Company Div Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-723-7232 has 3 manufacturer part numbers on file: ST7M349-20 (The Boeing Company Div Defense), ST7M349-20 (Sealtite Corp Div Sealtite Corporation), ST7M349-20 (Kirkhill, Inc. Dba Kirkhill Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-723-7316. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M349-20: Temp Rating: -80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Seal Width: 0.380 INCHES NOMINAL IN; Housing Bore Diameter: 2.00 INCHES NOMINAL IN; Material Document and Classification: ZZ-R-765 OR A-A-59588 CLASS 3,GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 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.