The Gasket, cataloged under National Stock Number 5330-01-525-1209, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-525-1209 |
| Primary Part Number | 66160-J-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 | OVAL |
| Bearing Surface Width | 2.938 INCHES NOMINAL IN |
| Material Document and Classification | GARLOCK 9900 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 2.500 INCHES NOMINAL IN |
| Aperture Length | 4.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Material | GRAPHITE AND FIBER 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 |
|---|---|
| 66160-J-987 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1315-063F 2IN | D/9 Drawing number reference only Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
NSN 5330-01-525-1209 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 5330-01-525-1209 has 1 manufacturer part number on file: 66160-J-987 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-525-2688, 4820-01-525-2694, 4820-01-525-2739. Verify interchangeability with system specifications before substitution.
Key specifications for 66160-J-987: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Style Designator: OVAL; Bearing Surface Width: 2.938 INCHES NOMINAL IN; Material Document and Classification: GARLOCK 9900 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.