The Contact,electrical, cataloged under National Stock Number 5999-00-259-5263, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5999-00-259-5263 |
| Primary Part Number | 504-7385-001 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Overall Diameter | 0.226 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Mounting Method | TERMINAL |
| Precious Material and Weight | 0.005 SILVER GRAINS, TROY |
| Surface Treatment | SILVER CONTACT |
| Precious Material and Location | CONTACT SURFACE SILVER |
| Material | COPPER ALLOY CONTACT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 504-7385-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 197-4-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5999-00-259-5263 is a Contact,electrical, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-259-5263 has 1 manufacturer part number on file: 504-7385-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-421-5777. Verify interchangeability with system specifications before substitution.
Key specifications for 504-7385-001: Overall Diameter: 0.226 INCHES NOMINAL IN; Precious Material: SILVER; Mounting Method: TERMINAL; Precious Material and Weight: 0.005 SILVER GRAINS, TROY. 7 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.