The Gasket, cataloged under National Stock Number 5330-01-503-6562, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-503-6562 |
| Primary Part Number | 66174-N-987 |
| 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 | GARLOCK G-9900 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 8.625 INCHES NOMINAL IN |
| Aperture Diameter | 5.187 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 7.375 INCHES NOMINAL IN |
| Material | GRAPHITE OVERALL |
| Hole Diameter | 0.687 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 |
|---|---|
| 1260-017J-4.00IN ITEM 14 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 66174-N-987 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 803-1385637-04X-21 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-503-6562 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 5330-01-503-6562 has 2 manufacturer part numbers on file: 1260-017J-4.00IN ITEM 14 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 66174-N-987 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 66174-N-987: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: GARLOCK G-9900 MFR REF 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.