The Gasket, cataloged under National Stock Number 5330-01-201-9426, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-201-9426 |
| Primary Part Number | 386304 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Slot Quantity | 12 |
| Style Designator | CIRCULAR WITH SLOTS, WITHOUT BOLT HOLES, WITH RADIUS APERTURE SHAPE |
| Material Document and Classification | VELUMOID FSCM 01212 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 11.813 INCHES MINIMUM AND 11.875 INCHES MAXIMUM IN |
| Aperture Diameter | 3.250 INCHES NOMINAL IN |
| Slot Radius | 0.3175 INCHES NOMINAL IN |
| Surface Treatment | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR BOTH SIDES |
| Material | PAPER AND GLUE 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 |
|---|---|
| 386304 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| Reference | Meaning |
|---|---|
| E-3291 PIECE 72 | 5/9 Secondary reference Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
NSN 5330-01-201-9426 is a Gasket, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-201-9426 has 1 manufacturer part number on file: 386304 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
Key specifications for 386304: Cross-Sectional Thickness: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN; Slot Quantity: 12; Style Designator: CIRCULAR WITH SLOTS, WITHOUT BOLT HOLES, WITH RADIUS APERTURE SHAPE; Material Document and Classification: VELUMOID FSCM 01212 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 10 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.