The Jack,tip, cataloged under National Stock Number 5935-00-759-5121, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Fluke Electronics Corp. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-759-5121 |
| Primary Part Number | 1581-6 |
| Item Name | Jack,tip |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Fluke Electronics Corp |
| Status | ACTIVE |
| Identification Code Color | BLUE |
| Body Style | THREADED BUSHING MOUNTED |
| Terminal Type | TURRET |
| Finger Accommodation Diameter | 0.166 INCHES NOMINAL SINGLE FINGER IN |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Finger Accommodation Length | 0.562 INCHES NOMINAL SINGLE FINGER IN |
| Accommodated Finger Type | BANANA SPRING SINGLE FINGER |
| Bushing Accommodation Hole Shape | ROUND |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Body Length | 1.031 INCHES NOMINAL IN |
| Electrical Insulation Feature | INSULATED COMPLETELY |
| Surface Treatment | SILVER SPRING |
| Precious Material and Location | CONTACT SPRING SURFACE SILVER |
| Bushing Thru-Hole Accommodation Diameter | 0.375 INCHES NOMINAL IN |
| Maximum Voltage Rating in Volts | 2500.0 DC |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY BUSHING |
| Material | CERAMIC INSULATOR |
| Material | PLASTIC POLYCARBONATE CAP |
| Material | COPPER ALLOY SPRING |
| Thread Series Designator | UNEF |
| Mounting Bushing Length | 0.781 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1581-6 | Fluke Electronics Corp (USA) |
| Reference | Meaning |
|---|---|
| 1581-6 | 3/9 Design control — primary reference Fluke Electronics Corp Pomona Electronics Div |
| 1581BLU | C/1 Advisory reference — outside the item-of-supply concept Fluke Electronics Corp Pomona Electronics Div |
NSN 5935-00-759-5121 is a Jack,tip, manufactured by Fluke Electronics Corp, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-759-5121 has 1 manufacturer part number on file: 1581-6 (Fluke Electronics Corp).
2 possible matches (shared part number, not a government interchangeability claim): 6250-01-470-1742, 8145-01-484-0921. Verify interchangeability with system specifications before substitution.
Key specifications for 1581-6: Identification Code Color: BLUE; Body Style: THREADED BUSHING MOUNTED; Terminal Type: TURRET; Finger Accommodation Diameter: 0.166 INCHES NOMINAL SINGLE FINGER IN. 26 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.