The Packing,preformed, cataloged under National Stock Number 5330-01-476-4201, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Kirkhill, Inc. Dba Kirkhill Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-476-4201 |
| Primary Part Number | ST7M349-24 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Kirkhill, Inc. Dba Kirkhill Inc |
| Status | ACTIVE |
| Temp Rating | -80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF |
| Hardness Rating | 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Material Document and Classification | ZZ-R-765,CL 3,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Flanged Body Outside Diameter | 2.562 INCHES NOMINAL IN |
| Peripheral Diameter | 2.750 INCHES NOMINAL IN |
| Outer Groove Width | 0.200 INCHES NOMINAL IN |
| Center Hole Diameter | 2.000 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| 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 |
|---|---|
| ST7M349-24 | Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division (USA) |
| ST7M349-3 | Basic Rubber and Plastics Co. (USA) |
| ST7M349-24 PRIMARY | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| Reference | Meaning |
|---|---|
| ST7M349-24 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5330-01-476-4201 is a Packing,preformed, manufactured by Kirkhill, Inc. Dba Kirkhill Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-476-4201 has 3 manufacturer part numbers on file: ST7M349-24 (Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division), ST7M349-3 (Basic Rubber and Plastics Co.), ST7M349-24 (Kirkhill, Inc. Dba Kirkhill Inc).
Key specifications for ST7M349-24: Temp Rating: -80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: ZZ-R-765,CL 3,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Flanged Body Outside Diameter: 2.562 INCHES NOMINAL IN. 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.