The Gasket, cataloged under National Stock Number 5330-01-507-2977, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Jo King Inc Div J.o. King, Incorporated. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-507-2977 |
| Primary Part Number | JK1600R1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Jo King Inc Div J.o. King, Incorporated |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-R-6855C,CLASSI,GRADE60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 2.950 INCHES MINIMUM AND 2.970 INCHES MAXIMUM IN |
| Aperture Diameter | 1.770 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 5 |
| Bolt Circle Diameter | 2.328 INCHES MINIMUM AND 2.348 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE NITRILE OVERALL |
| Hole Diameter | 0.233 INCHES MINIMUM AND 0.239 INCHES MAXIMUM 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 |
|---|---|
| JK1600R1 PRIMARY | Jo King Inc Div J.o. King, Incorporated (USA) |
NSN 5330-01-507-2977 is a Gasket, manufactured by Jo King Inc Div J.o. King, Incorporated, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-507-2977 has 1 manufacturer part number on file: JK1600R1 (Jo King Inc Div J.o. King, Incorporated).
Key specifications for JK1600R1: Cross-Sectional Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-R-6855C,CLASSI,GRADE60 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.