The Contact,electrical, cataloged under National Stock Number 5999-01-204-4902, 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 Te Connectivity Corporation. Government technical data includes 12 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 | 5999-01-204-4902 |
| Primary Part Number | 66507-2 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Pin Diameter | 0.031 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-G-45204 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT |
| Overall Diameter | 0.040 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Mounting Method | FORCE FIT |
| Style Designator | PIN CONTACT |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Material Document and Classification | MIL-C-50 MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT |
| Surface Treatment | GOLD AND NICKEL BODY AND CONTACT |
| Precious Material and Location | BODY AND CONTACT SURFACE GOLD |
| Material | COPPER ALLOY BODY AND CONTACT |
| Terminal Type and Quantity | 1 CRIMP AXIALLY AT ONE END |
| 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 | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 66507-2 PRIMARY | Te Connectivity Corporation (USA) |
NSN 5999-01-204-4902 is a Contact,electrical, manufactured by Te Connectivity Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-204-4902 has 1 manufacturer part number on file: 66507-2 (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-529-8739. Verify interchangeability with system specifications before substitution.
Key specifications for 66507-2: Pin Diameter: 0.031 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-G-45204 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT; Overall Diameter: 0.040 INCHES NOMINAL IN; Precious Material: GOLD. 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.