The Contact,electrical, cataloged under National Stock Number 5999-01-339-9756, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-339-9756 |
| Primary Part Number | 227604-4 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-N-290 FED SPEC 1ST TREATMENT RESPONSE AND MIL-G-45204 MIL SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT |
| Overall Diameter | 0.175 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Mounting Method | FORCE FIT |
| Style Designator | CYLINDRICAL SHAPE |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Surface Treatment | NICKEL AND GOLD BODY AND CONTACT |
| Precious Material and Location | BODY AND CONTACT SURFACES GOLD |
| Material | COPPER 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 | J |
| Part Number | Manufacturer |
|---|---|
| 227604-4 | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1A20341H03 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-339-9756 is a Contact,electrical, manufactured by Te Connectivity Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-339-9756 has 1 manufacturer part number on file: 227604-4 (Te Connectivity Corporation).
Key specifications for 227604-4: Surface Treatment Document and Classification: QQ-N-290 FED SPEC 1ST TREATMENT RESPONSE AND MIL-G-45204 MIL SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT; Overall Diameter: 0.175 INCHES MAXIMUM IN; Precious Material: GOLD; Mounting Method: FORCE FIT. 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.