The Contact,electrical, cataloged under National Stock Number 5999-01-099-9158, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-099-9158 |
| Primary Part Number | 861175-5 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-G-45204,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE CONTACT |
| Precious Material | GOLD |
| Mounting Method | FORCE FIT |
| Style Designator | SOCKET CONTACT |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Material Document and Classification | QQ-B-750,COMPOSITION A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321,ALLOY 510 FED SPEC SINGLE MATERIAL RESPONSE CONTACT |
| Surface Treatment | GOLD AND NICKEL CONTACT |
| Precious Material and Location | CONTACT SURFACE GOLD |
| Cable Entrance Diameter | 0.025 INCHES MAXIMUM IN |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 1 CRIMP AXIALLY AT ONE END |
| Current Rating in Amps | 3.0 |
| 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 | JN |
| Weight | 0.0100 lbs |
| Cube | 0.0208 cu ft |
| Part Number | Manufacturer |
|---|---|
| 861175-5 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 861175-5 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
| MP2500-3 | 5/9 Secondary reference Interconnection Products Inc |
| MP2500-3R | C/1 Advisory reference — outside the item-of-supply concept Interconnection Products Inc |
NSN 5999-01-099-9158 is a Contact,electrical, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-099-9158 has 1 manufacturer part number on file: 861175-5 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 861175-5: Overall Height: 0.080 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-G-45204,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE CONTACT; Precious Material: GOLD; Mounting Method: FORCE FIT. 12 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.