The Contact,electrical, cataloged under National Stock Number 5999-01-686-7824, 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 Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-686-7824 |
| Primary Part Number | 21-33385-51 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Pin Accommodation Length | 0.238 INCHES NOMINAL IN |
| Overall Diameter | 0.285 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Mounting Method | CRIMP |
| Pin Accommodation Diameter | 0.0250 INCHES NOMINAL IN |
| Style Designator | SOCKET CONTACT |
| Surface Treatment | GOLD CONTACT |
| Precious Material and Location | CONTACT AND BODY SURFACE GOLD |
| Cable Entrance Diameter | 0.258 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE CONTACT INSULATION |
| Material | COPPER ALLOY BODY AND CONTACT |
| Terminal Type and Quantity | 1 CRIMP BACK |
| 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 | ZZ |
| Weight | 1.0000 lbs |
| Cube | 0.0104 cu ft |
| Part Number | Manufacturer |
|---|---|
| 21-33385-51 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| 5M3220-001 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 5M3220 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5999-01-686-7824 is a Contact,electrical, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-686-7824 has 2 manufacturer part numbers on file: 21-33385-51 (Amphenol Corp Div Amphenol Aerospace Operations), 5M3220-001 (The Boeing Company Div Defense).
Key specifications for 21-33385-51: Pin Accommodation Length: 0.238 INCHES NOMINAL IN; Overall Diameter: 0.285 INCHES NOMINAL IN; Precious Material: GOLD; Mounting Method: CRIMP. 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.