The Nut,plain,single Ball Seat,hexag, cataloged under National Stock Number 5310-00-550-1284, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-550-1284 |
| Primary Part Number | 909TR |
| Item Name | Nut,plain,single Ball Seat,hexag |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Nut Height | 1.375 INCHES NOMINAL IN |
| Ball Seat Radius | 1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM IN |
| Thread Series | UN |
| Nominal Thread Size | 1.188 INCHES IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Thread Quantity Per Inch | 12 |
| Thread Class | 2B |
| Material | STEEL OVERALL |
| Thread Direction | RIGHT-HAND |
| Nut Style | SINGLE BALL SEAT, HEXAGON |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Width Across Flats | 1.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-550-1284 is a Nut,plain,single Ball Seat,hexag, manufactured by Oshkosh Defense Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-550-1284 has 4 cross-referenced part numbers: 909TR (Oshkosh Defense Llc), 48051 (Budd Co the), 909TR (Oshkosh Corp), 48051 (Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products).
There are 6 known substitutes for 5310-00-550-1284: 4820-01-046-1250, 5310-01-107-7696, 6610-01-139-4713 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 909TR: Nut Height: 1.375 INCHES NOMINAL IN; Ball Seat Radius: 1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM IN; Thread Series: UN; Nominal Thread Size: 1.188 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.