The Coupler,transmission Line, cataloged under National Stock Number 5985-01-645-4641, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Data Bus Products Corp. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-645-4641 |
| Primary Part Number | DBP 12827 |
| Item Name | Coupler,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Data Bus Products Corp |
| Status | ACTIVE |
| Material | ALUMINUM |
| 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 |
|---|---|
| DBP 12827 PRIMARY | Data Bus Products Corp (USA) |
NSN 5985-01-645-4641 is a Coupler,transmission Line, manufactured by Data Bus Products Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-645-4641 has 1 manufacturer part number on file: DBP 12827 (Data Bus Products Corp).
Key specifications for DBP 12827: Special Features: ELECTRICAL SPECIFICATION: IAW MIL-STD-1553B, COMMON MODE REJECTION: -55 DB MAX @ 1.0 MHZ. DROOP: 20% MAX (250KHZ, STUB VOLTAGE: 1.0V TO 14.OV P-P; LINE TO LINE; SINGAL VOLTAGE, TRANSFORMER COUPLING, FAULT PROTECTION: 56.2 OHMS +/- 2% RESISTOR IN SERIES WITH TRANSFORMER WINDING ON BUS SIDE, RESISTOR VALVE: 2 WATT IAW MIL-R-39017, R1-R2, NOMINAL LINE IMPEDANCE OF BUS 78 OHMS, R3=76.8 OHMS 2 WATT IAW-R-39007, MATERIAL ENCLOSURE & MOUNTING PLATE: ALUMINUM, FINISH: ENCLOSURE: BLACK ENAMEL PER TT-E-529, COLOR IAW FED-STD-595, 27028, MOUNTING PLATE: CLEARN ALODINE, CONNECTORS: BJ77 (TROMPETER OR EQUIV) J1 AND J2, MATING CONNECTOR FOR REFERENCE: PL75, OPERATING TEMPERATURE RANGE: -55 C - 125 C.INPUT IMPEDANCE RATING IN OHMS: .75 KHZ - 1.M MHZ. MHz; Part Name Assigned by Controlling Agency: COUPLER, DATA BUS, SINGLE STUB; Material: ALUMINUM. 1 specification is 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.