The Retainer,electrical Connector, cataloged under National Stock Number 5935-00-251-6573, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Itt Cannon Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5935-00-251-6573 |
| Primary Part Number | D20418-39 |
| Item Name | Retainer,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Itt Cannon Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Surface Treatment | CADMIUM AND CHROMATE |
| Mounting Stud Length | 0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2A FIRST MOUNTING FACILITY A |
| Thread Class | 2B SECOND MOUNTING FACILITY |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| 11557818 | Us Army Aviation and Missile Command (USA) |
| D20418-39 PRIMARY | Itt Cannon Llc (USA) |
| Reference | Meaning |
|---|---|
| 235-004-0010 | 7/2 Vendor item drawing reference U.S. Government activity |
| SM-A-800957-1 | 5/2 Secondary reference U.S. Government activity |
| D20418-39 | 5/9 Secondary reference Cinch Connectivity Solutions Inc. |
NSN 5935-00-251-6573 is a Retainer,electrical Connector, manufactured by Itt Cannon Llc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-251-6573 has 2 manufacturer part numbers on file: 11557818 (Us Army Aviation and Missile Command), D20418-39 (Itt Cannon Llc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-473-0284. Verify interchangeability with system specifications before substitution.
Key specifications for D20418-39: Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY; Width Across Flats: 0.188 INCHES NOMINAL IN; Overall Length: 0.828 INCHES NOMINAL IN; Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN. 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.