The Gasket, cataloged under National Stock Number 5330-01-583-6111, 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 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-583-6111 |
| Primary Part Number | 66121-S-710 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-G-1149 TY 2,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Bolt Hole Quantity | 8 |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR 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 |
|---|---|
| 1303-000D 600 REV 1 ITEM NO 4 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 66121-S-710 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 1303-000D 600-4 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
NSN 5330-01-583-6111 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 5330-01-583-6111 has 3 manufacturer part numbers on file: 1303-000D 600 REV 1 ITEM NO 4 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 66121-S-710 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 1303-000D 600-4 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 66121-S-710: Style Designator: CIRCULAR; Material Document and Classification: MIL-G-1149 TY 2,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Bolt Hole Quantity: 8. 5 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.