The Gasket, cataloged under National Stock Number 5330-01-421-9502, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-421-9502 |
| Primary Part Number | 1030-020H ITEM 19 3.00IN |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-G-1149,TY1,CL2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 6.688 INCHES NOMINAL IN |
| Aperture Diameter | 3.906 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 5.625 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL |
| Hole Diameter | 0.562 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 |
|---|---|
| 1030-020H ITEM 19 3.00IN PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 66169-L-710 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
NSN 5330-01-421-9502 is a Gasket, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-421-9502 has 2 manufacturer part numbers on file: 1030-020H ITEM 19 3.00IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 66169-L-710 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 1030-020H ITEM 19 3.00IN: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-G-1149,TY1,CL2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 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.