The Contact,electrical, cataloged under National Stock Number 5999-01-646-9351, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-646-9351 |
| Primary Part Number | 21-033497-051 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Overall Diameter | 0.244 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN |
| Mounting Method | FORCE FIT |
| Style Designator | SOCKET CONTACT |
| Surface Treatment | GOLD AND NICKEL BODY AND CONTACT |
| Precious Material and Location | CONTACT PLATING GOLD |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY AND BERYLLIUM CONTACT |
| Terminal Type and Quantity | 1 CRIMP END OPPOSITE CONTACT |
| 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 | ZN |
| Weight | 0.2000 lbs |
| Cube | 0.0093 cu ft |
| Part Number | Manufacturer |
|---|---|
| 21-033497-051 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 21-033497-001 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5999-01-646-9351 is a Contact,electrical, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-646-9351 has 1 manufacturer part number on file: 21-033497-051 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 21-033497-051: Mounting Facility Quantity: 1; Overall Diameter: 0.244 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN; Mounting Method: FORCE FIT; Style Designator: SOCKET CONTACT. 9 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.