The Contact,electrical, cataloged under National Stock Number 5999-00-557-7902, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 14 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-00-557-7902 |
| Primary Part Number | 7897766P1 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Pin Accommodation Length | 0.500 INCHES NOMINAL IN |
| Mounting Facility Quantity | 1 |
| Overall Diameter | 0.188 INCHES NOMINAL IN |
| Mounting Method | THREADED STUD(S) |
| Pin Accommodation Diameter | 0.098 INCHES NOMINAL IN |
| Style Designator | SOCKET CONTACT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.060 INCHES IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 80 |
| Material | COPPER CONTACT |
| Material | COPPER BODY |
| Terminal Type and Quantity | 1 THREADED STUD AXIALLY AT ONE END |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | X |
NSN 5999-00-557-7902 is a Contact,electrical, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-557-7902 has 2 manufacturer part numbers on file: 7897766P1 (General Electric Company), 7897766P1 (Lockheed Martin Corporation Div Rms).
Key specifications for 7897766P1: Pin Accommodation Length: 0.500 INCHES NOMINAL IN; Mounting Facility Quantity: 1; Overall Diameter: 0.188 INCHES NOMINAL IN; Mounting Method: THREADED STUD(S). 14 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.