The Terminal Junction Block,sectiona, cataloged under National Stock Number 5940-01-645-2312, is classified within Federal Supply Class 5940 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Molex, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5940-01-645-2312 |
| Primary Part Number | 3991AS320-2 |
| Item Name | Terminal Junction Block,sectiona |
| FSC / FSG | 5940 / 59 — No Item Name Available |
| Manufacturer | Molex, Llc |
| Status | ACTIVE |
| Voltage Rating | 300.0 VOLTS NOMINAL |
| Wire Size Accommodated | 14.0 AWG MINIMUM AND 22.0 AWG MAXIMUM |
| Mounting Method | PANEL |
| Block Type | CIRCUIT BREAKER |
| Terminal Design | TERMINATING |
| Operating Temp Range | -40.0 TO 120.0 CELSIUS DEGC |
| Terminal Type and Quantity | 10 SCREW |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3991AS320-2 PRIMARY | Molex, Llc (USA) |
| 3991AS320 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 10-140-4 PRIMARY | Cinch Connectivity Solutions Inc. (USA) |
NSN 5940-01-645-2312 is a Terminal Junction Block,sectiona, manufactured by Molex, Llc, classified under FSC 5940 (No Item Name Available). Status: active.
NSN 5940-01-645-2312 has 3 cross-referenced part numbers: 3991AS320-2 (Molex, Llc), 3991AS320 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 10-140-4 (Cinch Connectivity Solutions Inc.).
There are 6 known substitutes for 5940-01-645-2312: 5355-00-045-3189, 5930-00-952-3464, 5935-01-252-8153 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3991AS320-2: Overall Length: 8.16 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: (INAVY) TERMINAL BLCK 10 POS; TERMINAL BLOCK 2 X 10; Voltage Rating: 300.0 VOLTS NOMINAL; Overall Width: 0.72 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.