The Gasket, cataloged under National Stock Number 5330-01-029-8946, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-029-8946 |
| Primary Part Number | C309339 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Control Flow, Inc. Dba Control Flow Inc |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Material Document and Classification | HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 27.875 INCHES NOMINAL IN |
| Aperture Diameter | 24.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 26.750 INCHES NOMINAL IN |
| Material | PAPER AND GLUE AND GLYCERIN OR PAPER AND RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| C309339 PRIMARY | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| C309339 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| D309739PC25 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| D309739PC25 | 5/9 Secondary reference Control Flow, Inc. Dba Control Flow Inc |
NSN 5330-01-029-8946 is a Gasket, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-029-8946 has 1 manufacturer part number on file: C309339 (Control Flow, Inc. Dba Control Flow Inc).
Key specifications for C309339: Style Designator: CIRCULAR; Material Document and Classification: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 27.875 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.