The Adapter,connector, cataloged under National Stock Number 5935-00-557-2064, 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 27 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-557-2064 |
| Primary Part Number | TBF28-21PSY |
| Item Name | Adapter,connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Itt Cannon Llc |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 22.0 ALL MATING ENDS SINGLE CONTACT GROUPING |
| Connector Locking Method | EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE W/FLANGE |
| Contact Material | COPPER ALLOY ALL MATING ENDS SINGLE CONTACT GROUPING |
| Mating End Quantity | 2 |
| Precious Material | SILVER |
| Contact Position Arrangement Style | 28-21 ALL MATING ENDS |
| Insert Position in Deg | 250.0 |
| Unthreaded Mounting Hole Diameter | 0.142 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Precious Material and Weight | 0.074 GOLD GRAINS, TROY |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN |
| Included Contact Quantity | 37 ALL MATING ENDS SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Contact Maximum AC Voltage Rating in Volts | 500.0 ALL MATING ENDS SINGLE CONTACT GROUPING |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Environmental Protection | PRESSURE PROOF |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Distance From Mounting Shoulder to Front Face | 0.812 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN |
| Contact Removability | NONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Contact Surface Treatment | SILVER ALL MATING ENDS SINGLE CONTACT GROUPING |
| Threaded Device Type | COUPLING FACILITY |
| Thread Series Designator | UNEF |
| Contact Maximum DC Voltage Rating in Volts | 700.0 ALL MATING ENDS SINGLE CONTACT GROUPING |
| 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 |
|---|---|
| TBF28-21PSY PRIMARY | Itt Cannon Llc (USA) |
| TBF28-21PS4 PRIMARY | Itt Cannon Llc (USA) |
NSN 5935-00-557-2064 is a Adapter,connector, manufactured by Itt Cannon Llc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-557-2064 has 2 manufacturer part numbers on file: TBF28-21PSY (Itt Cannon Llc), TBF28-21PS4 (Itt Cannon Llc).
Key specifications for TBF28-21PSY: Overall Height: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN; Contact Maximum Current Rating in Amps: 22.0 ALL MATING ENDS SINGLE CONTACT GROUPING; Connector Locking Method: EXTERNALLY THREADED SHELL; Shell Type: SOLID. 27 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.