The Contact,electrical, cataloged under National Stock Number 5999-01-413-6963, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-413-6963 |
| Primary Part Number | 77C957223P1 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Precious Material | GOLD |
| Mounting Method | FORCE FIT |
| Style Designator | MODULE BOARD CONTACT |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Material Document and Classification | L-P-410 FED SPEC ALL MATERIAL RESPONSES CONTACT INSULATION |
| Material Document and Classification | QQ-C-533, ALLOY 172, KNOOP 310 FED SPEC ALL MATERIAL RESPONSES BODY AND CONTACT |
| Surface Treatment | GOLD AND NICKEL BODY AND CONTACT |
| Precious Material and Location | ENTIRE CONTACT GOLD |
| Material | COPPER ALLOY 172 BODY AND CONTACT |
| Material | GLASS AND NYLON (USE PCP000) CONTACT INSULATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JZ |
| Weight | 0.0100 lbs |
| Cube | 0.0029 cu ft |
| Part Number | Manufacturer |
|---|---|
| 77C957223P1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 198-2500-503 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 198-2500-503 | 5/9 Secondary reference Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs |
NSN 5999-01-413-6963 is a Contact,electrical, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-413-6963 has 2 manufacturer part numbers on file: 77C957223P1 (Lockheed Martin Corporation Div Rms), 198-2500-503 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 77C957223P1: Precious Material: GOLD; Mounting Method: FORCE FIT; Style Designator: MODULE BOARD CONTACT; Precious Material and Weight: 0.005 GOLD GRAINS, TROY. 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.
NSN 5999-01-413-6963 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.