The Packing Nut, cataloged under National Stock Number 4730-00-274-9216, 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 Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-274-9216 |
| Primary Part Number | D15-617HPC653 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Style Designator | HEXAGON, EXTERNAL THREAD, INVERTED FLARE |
| Smallest Inside Diameter | 0.328 INCHES NOMINAL IN |
| Screw Thread Location | EXTERNAL |
| Material | STEEL COMP 303 |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNF |
| Thread Class | 3A A |
| Material Hardness Rating | 33.0 ROCKWELL C NOMINAL |
| Seat Angle in Deg | 65.0 |
| Width Across Flats | 1.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | 1 IN. -14 IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CB1S4700-16PC653 | Naval Ship Systems Command (USA) |
| AD14S47-40PC273 | Naval Ship Systems Command (USA) |
| CL119S4700-261966PC653 | Naval Ship Systems Command (USA) |
| CB1S4700-17PC653 | Naval Ship Systems Command (USA) |
| CV41S4700-19PC653 | Naval Ship Systems Command (USA) |
| CB1S4700-7PC653 | Naval Ship Systems Command (USA) |
| CL55S53-21PC428 | Naval Ship Systems Command (USA) |
| BB57S46-081PC410 | Naval Ship Systems Command (USA) |
| CL55S47-18PC653 | Naval Ship Systems Command (USA) |
| CM5S47-115ALT3PC273 | Naval Ship Systems Command (USA) |
| BB58S47-056PC653 | Naval Ship Systems Command (USA) |
| CL55S47-21PC653 | Naval Ship Systems Command (USA) |
| CA139S4700-531236PC653 | Naval Ship Systems Command (USA) |
| CM5S47-374WSPC273 | Naval Ship Systems Command (USA) |
| BB57S47-089PC653 | Naval Ship Systems Command (USA) |
| AD14S47-051PC273 | Naval Ship Systems Command (USA) |
| CA122S4600-581865PC410 | Naval Ship Systems Command (USA) |
| CV22S53-27PC428 | Naval Ship Systems Command (USA) |
| BB58S46-78PC410 | Naval Ship Systems Command (USA) |
| AR5S47-110ALT3PC273 | Naval Ship Systems Command (USA) |
NSN 4730-00-274-9216 is a Packing Nut, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-274-9216 has 50 cross-referenced part numbers: CB1S4700-16PC653 (Naval Ship Systems Command), AD14S47-40PC273 (Naval Ship Systems Command), CL119S4700-261966PC653 (Naval Ship Systems Command), CB1S4700-17PC653 (Naval Ship Systems Command), CV41S4700-19PC653 (Naval Ship Systems Command) and 45 more.
There are 12 known substitutes for 4730-00-274-9216: 5133-00-228-1343, 3455-00-265-7113, 2540-00-628-0975 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for D15-617HPC653: Style Designator: HEXAGON, EXTERNAL THREAD, INVERTED FLARE; Smallest Inside Diameter: 0.328 INCHES NOMINAL IN; Screw Thread Location: EXTERNAL; Material: STEEL COMP 303. 14 total characteristics are documented in the Federal Logistics Information System.