The Contact,electrical, cataloged under National Stock Number 5999-00-321-4856, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Itt Cannon Llc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-00-321-4856 |
| Primary Part Number | 143-2 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Itt Cannon Llc |
| Status | CANCELLED |
| Mounting Method | THREADED HOLE(S) |
| Thread Pitch Diameters | +0.271 TO 0.275 INCHES IN |
| Pin Diameter | 0.500 INCHES NOMINAL IN |
| Terminal Type and Quantity | 1 PIN AXIALLY AT ONE END |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY CONTACT |
| Surface Treatment | SILVER CONTACT |
| Precious Material and Weight | 0.005 SILVER GRAINS, TROY |
| Surface Treatment | SILVER BODY |
| Precious Material | SILVER |
| Precious Material and Location | EXTERNAL SURFACE SILVER |
| Style Designator | PIN CONTACT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Pin Length | 1.563 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 18 |
| Current Rating in Amps | 250.0 |
| Mounting Facility Quantity | 1 |
| Nominal Thread Size | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Mounting Method | THREADED HOLE(S) |
| Thread Pitch Diameters | +0.271 TO 0.275 INCHES IN |
| Pin Diameter | 0.500 INCHES NOMINAL IN |
| Terminal Type and Quantity | 1 PIN AXIALLY AT ONE END |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY CONTACT |
| Surface Treatment | SILVER CONTACT |
| Precious Material and Weight | 0.005 SILVER GRAINS, TROY |
| Surface Treatment | SILVER BODY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | J |
| Weight | 0.1000 lbs |
| Cube | 0.0030 cu ft |
NSN 5999-00-321-4856 is a Contact,electrical, manufactured by Itt Cannon Llc, classified under FSC 5999 (No Item Name Available). Status: cancelled.
NSN 5999-00-321-4856 has 6 cross-referenced part numbers: PA8159ISSUE1 (States Electronics Corp Bludworth Marine Div), AABP (Itt Cannon Llc), 143-2 (Itt Cannon Llc), AABP143-2 (Itt Cannon Llc), TYPEAABP (Itt Cannon Llc) and 1 more.
There are 12 known substitutes for 5999-00-321-4856: 5999-00-233-0282, 5120-00-203-4812, 5330-00-270-8467 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 143-2: Mounting Method: THREADED HOLE(S); Thread Pitch Diameters: +0.271 TO 0.275 INCHES IN; Pin Diameter: 0.500 INCHES NOMINAL IN; Terminal Type and Quantity: 1 PIN AXIALLY AT ONE END. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 5999-00-321-4856 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.