The Contact,electrical, cataloged under National Stock Number 5999-01-088-0678, 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 Avionics Specialties, Inc.. Government technical data includes 4 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 item shares 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 | 5999-01-088-0678 |
| Primary Part Number | 123-669 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Avionics Specialties, Inc. |
| Status | ACTIVE |
| Mounting Method | TERMINAL |
| Style Designator | LEAF TAP CONTACT W/O POINT |
| Material Document and Classification | QQ-C-585,ALLOY 770,SPRING TEMPER FED SPEC ALL MATERIAL RESPONSES BODY AND CONTACT |
| Material | COPPER AND NICKEL AND ZINC ALLOY 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 | DN |
| Weight | 0.0100 lbs |
| Cube | 0.0112 cu ft |
| Part Number | Manufacturer |
|---|---|
| 123-669 PRIMARY | Avionics Specialties, Inc. (USA) |
NSN 5999-01-088-0678 is a Contact,electrical, manufactured by Avionics Specialties, Inc., classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-088-0678 has 1 manufacturer part number on file: 123-669 (Avionics Specialties, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-533-0854. Verify interchangeability with system specifications before substitution.
Key specifications for 123-669: Overall Height: 0.210 INCHES NOMINAL IN; Mounting Method: TERMINAL; Style Designator: LEAF TAP CONTACT W/O POINT; Material Document and Classification: QQ-C-585,ALLOY 770,SPRING TEMPER FED SPEC ALL MATERIAL RESPONSES BODY AND CONTACT. 4 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.