The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-00-873-0842, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-873-0842 |
| Primary Part Number | S1023-A |
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | CANCELLED |
| Thread Class | 2A A |
| Style Designator | INVERTED NUT, TUBE, FLARE |
| Tube Outside Diameter for Which Designed | 0.312 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| Thread Size | 1/2-20 |
| Seat Angle in Deg | 45.0 |
| Screw Thread Series Designator | UNF |
| Smallest Inside Diameter | 0.317 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S1023-A PRIMARY | Cummins Inc. (USA) |
| 1023A | Cummins Inc. (USA) |
| 4730008730842 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4730-00-873-0842 is a Inverted Nut,tube Coupling, manufactured by Cummins Inc., classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-873-0842 has 3 cross-referenced part numbers: S1023-A (Cummins Inc.), 1023A (Cummins Inc.), 4730008730842 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).
There are 3 known substitutes for 4730-00-873-0842: 5996-00-146-9746, 5340-01-015-9647, 1630-01-693-3622. Verify interchangeability with system specifications before substitution.
Key specifications for S1023-A: Thread Class: 2A A; Style Designator: INVERTED NUT, TUBE, FLARE; Tube Outside Diameter for Which Designed: 0.312 INCHES NOMINAL IN; Overall Length: 0.600 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-873-0842 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.