The Contact,electrical, cataloged under National Stock Number 5999-01-040-8173, 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 L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-040-8173 |
| Primary Part Number | 7904644-00 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West |
| Status | ACTIVE |
| Slot Accommodation Width | 0.030 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Mounting Method | FORCE FIT |
| Style Designator | SOCKET CONTACT |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Surface Treatment | GOLD AND NICKEL CONTACT |
| Surface Treatment | GOLD AND NICKEL BODY |
| Precious Material and Location | EXTERNAL SURFACES GOLD |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 1 CRIMP END OPPOSITE CONTACT |
| Current Rating in Amps | 5.0 |
| 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 | 0.0007 cu ft |
| Part Number | Manufacturer |
|---|---|
| 7904644-00 PRIMARY | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA) |
| Reference | Meaning |
|---|---|
| 47744 | 5/9 Secondary reference Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc |
| 6010624-004 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| 7904644-00 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 47744-000LF | 5/9 Secondary reference Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc |
NSN 5999-01-040-8173 is a Contact,electrical, manufactured by L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-040-8173 has 1 manufacturer part number on file: 7904644-00 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-139-1843, 4710-01-416-1546. Verify interchangeability with system specifications before substitution.
Key specifications for 7904644-00: Overall Height: 0.056 INCHES NOMINAL IN; Slot Accommodation Width: 0.030 INCHES NOMINAL IN; 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.