The Packing Nut, cataloged under National Stock Number 4730-00-883-3964, 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 Pettibone Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-883-3964 |
| Primary Part Number | LA1140-1 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Pettibone Llc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Smallest Inside Diameter | 2.004 INCHES NOMINAL IN |
| Screw Thread Location | EXTERNAL |
| Style Designator | ROUND, EXTERNAL THREAD, INVERTED FLARE |
| Major Unthreaded Outside Diameter | 2.875 INCHES NOMINAL IN |
| Screw Thread Series Designator | UN |
| Length to Shoulder | 0.375 INCHES NOMINAL IN |
| Thread Size | 2-5/8IN-16 IN |
| Material | COPPER ALLOY |
| Slot Width | 0.375 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Largest Inside Diameter | 2.390 INCHES NOMINAL IN |
| Thread Length | 0.125 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Hole or Slot Quantity | 4 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-883-3964 is a Packing Nut, manufactured by Pettibone Llc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-883-3964 has 5 cross-referenced part numbers: LA1140-1 (Pettibone Llc), 381MAH1 (Linde Material Handling North America Corporation), A1281 (Hyco Inc), 381MAH1 (Linde Lift Truck Corp.), P67475 (Athey Products Corp).
There are 3 known substitutes for 4730-00-883-3964: 1660-00-180-5553, 5307-00-466-7274, 5935-00-665-6529. Verify interchangeability with system specifications before substitution.
Key specifications for LA1140-1: Thread Direction: RIGHT-HAND; Smallest Inside Diameter: 2.004 INCHES NOMINAL IN; Screw Thread Location: EXTERNAL; Style Designator: ROUND, EXTERNAL THREAD, INVERTED FLARE. 16 total characteristics are documented in the Federal Logistics Information System.