The Contact,electrical, cataloged under National Stock Number 5999-00-446-2649, 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 Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-00-446-2649 |
| Primary Part Number | 28-222-1A |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Surface Treatment Document and Classification | QQ-S-365,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT |
| Precious Material | SILVER |
| Mounting Method | THREADED HOLE(S) |
| Style Designator | IRREGULAR SHAPE |
| Precious Material and Weight | 0.005 SILVER GRAINS, TROY |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | SILVER BODY AND CONTACT |
| Precious Material and Location | BODY AND CONTACT SURFACES SILVER |
| Thread Class | 2A A |
| Material | METAL BODY AND 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 | J |
| Weight | 0.2100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 28-222-1A PRIMARY | Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 28-222-1A | 5/9 Secondary reference Automatic Switch Company Dba Asco |
NSN 5999-00-446-2649 is a Contact,electrical, manufactured by Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-446-2649 has 1 manufacturer part number on file: 28-222-1A (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated).
Key specifications for 28-222-1A: Overall Height: 0.281 INCHES NOMINAL IN; Mounting Facility Quantity: 1; Surface Treatment Document and Classification: QQ-S-365,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT; Precious Material: SILVER. 11 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.