The Contact,electrical, cataloged under National Stock Number 5999-01-307-9816, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Crane Electronics, Inc.. Government technical data includes 15 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 | 5999-01-307-9816 |
| Primary Part Number | 51-1028-01 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Crane Electronics, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Overall Diameter | 1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Mounting Method | THREADED STUD(S) |
| Style Designator | CYLINDRICAL SHAPE |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.688 INCHES IN |
| Surface Treatment | GOLD AND NICKEL BODY AND CONTACT |
| Precious Material and Location | BODY AND CONTACT SURFACES GOLD |
| Thread Class | 2A A |
| Material | COPPER ALLOY BODY AND CONTACT |
| Terminal Type and Quantity | 1 THREADED STUD END OPPOSITE CONTACT |
| Thread Series Designator | UNEF |
| Current Rating in Amps | 200.0 |
| 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 |
|---|---|
| 51-1028-01 PRIMARY | Crane Electronics, Inc. (USA) |
| YSK0612-003AH | Smiths Interconnect Americas, Inc. (USA) |
NSN 5999-01-307-9816 is a Contact,electrical, manufactured by Crane Electronics, Inc., classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-307-9816 has 2 manufacturer part numbers on file: 51-1028-01 (Crane Electronics, Inc.), YSK0612-003AH (Smiths Interconnect Americas, Inc.).
Key specifications for 51-1028-01: Mounting Facility Quantity: 1; Overall Diameter: 1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN; Precious Material: GOLD; Mounting Method: THREADED STUD(S). 15 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.