The Contact,electrical, cataloged under National Stock Number 5999-00-444-1981, 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 The Boeing Company Div Defense. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-00-444-1981 |
| Primary Part Number | ST5M1390-001E |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Overall Diameter | 1.510 INCHES MAXIMUM IN |
| Mounting Method | SPRING TENSION |
| Style Designator | PIN CONTACT |
| Surface Treatment | CADMIUM BODY AND CONTACT |
| Material | ALUMINUM ALLOY BODY AND CONTACT |
| Current Rating in Amps | 10.0 |
| 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 | ZN |
| Weight | 0.0100 lbs |
| Cube | 0.0003 cu ft |
| Part Number | Manufacturer |
|---|---|
| ST5M1390-001E PRIMARY | The Boeing Company Div Defense (USA) |
| 480-51-16 | Amphenol Canada Corp (CAN) |
| Reference | Meaning |
|---|---|
| 486-51-16 | 5/9 Secondary reference Amphenol Canada Corp |
| 486-51-16P104 | C/1 Advisory reference — outside the item-of-supply concept Amphenol Canada Corp |
NSN 5999-00-444-1981 is a Contact,electrical, manufactured by The Boeing Company Div Defense, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-444-1981 has 2 manufacturer part numbers on file: ST5M1390-001E (The Boeing Company Div Defense), 480-51-16 (Amphenol Canada Corp).
Key specifications for ST5M1390-001E: Overall Diameter: 1.510 INCHES MAXIMUM IN; Mounting Method: SPRING TENSION; Style Designator: PIN CONTACT; Overall Length: 1.875 INCHES MAXIMUM IN. 6 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.