The Terminal Board, cataloged under National Stock Number 5940-01-285-0644, is classified within Federal Supply Class 5940 (Lugs, Terminals, and Terminal Strips) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Airflo Instrument Company, the Dba Airflo Instrument Co. Government technical data includes 13 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 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 | 5940-01-285-0644 |
| Primary Part Number | 1600-331 |
| Item Name | Terminal Board |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Airflo Instrument Company, the Dba Airflo Instrument Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 10 UNTHREADED HOLE(S) |
| Body Style | PRESSURE-CONTACT-RIGID |
| Dielectric Withstanding Voltage in Volts | 600.0 |
| Mounting Hole Diameter | 0.138 INCHES IN |
| Board Overall Height | 0.937 INCHES IN |
| Terminal Row Quantity | 2 |
| Board Overall Width | 1.000 INCHES IN |
| Terminal Pattern Arrangement | MULTI-ROW CIRCULAR WITH CENTER TERMINAL |
| Inner Terminal Circle Diameter | 0.156 INCHES IN |
| Material | PLASTIC BOARD |
| Board Overall Length | 5.125 INCHES IN |
| Board Construction | HOLLOW CONSTRUCTION WITH INSULATED STRIP |
| Current Rating in Amps | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1600-331 PRIMARY | Airflo Instrument Company, the Dba Airflo Instrument Co (USA) |
NSN 5940-01-285-0644 is a Terminal Board, manufactured by Airflo Instrument Company, the Dba Airflo Instrument Co, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-01-285-0644 has 1 manufacturer part number on file: 1600-331 (Airflo Instrument Company, the Dba Airflo Instrument Co).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-396-8145. Verify interchangeability with system specifications before substitution.
Key specifications for 1600-331: Mounting Facility Type and Quantity: 10 UNTHREADED HOLE(S); Body Style: PRESSURE-CONTACT-RIGID; Dielectric Withstanding Voltage in Volts: 600.0; Mounting Hole Diameter: 0.138 INCHES IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.