The Packing Nut, cataloged under National Stock Number 4730-00-142-2793, 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 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-142-2793 |
| Primary Part Number | 140107 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Pitch Diameters | +0.9470 TO 0.9530 INCHES IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.656 INCHES NOMINAL IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, BOSS |
| Screw Thread Location | EXTERNAL |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Material | STEEL |
| Screw Thread Series Designator | UNS |
| Thread Direction | RIGHT-HAND |
| Thread Size | 1.000-14 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9003557 | Koehring Co (USA) |
| 900V3557 | Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA) |
| 140107 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| F2330PC84 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| J202STE PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| S4700H3155159PC84 PRIMARY | Naval Sea Systems Command (USA) |
| S4700H3155159REVBPC84 | Naval Ship Systems Command (USA) |
NSN 4730-00-142-2793 is a Packing Nut, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-142-2793 has 7 cross-referenced part numbers: 9003557 (Koehring Co), 900V3557 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), 140107 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), F2330PC84 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), J202STE (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer) and 2 more.
There are 7 known substitutes for 4730-00-142-2793: 5310-00-025-8060, 5360-00-747-9267, 5365-00-953-3805 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 140107: Casehardening Indicator: NOT CASEHARDENED; Thread Pitch Diameters: +0.9470 TO 0.9530 INCHES IN; Thread Length: 0.312 INCHES NOMINAL IN; Smallest Inside Diameter: 0.656 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.