The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-377-3500, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-377-3500 |
| Primary Part Number | 1A5660 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | CANCELLED |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Thread Series | UN |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Size | 0.688 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.938 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Bearing Surface Type | WASHER FACED |
| Nut Style | CASTELLATED, HEXAGON |
| Thread Class | 3B |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1A5660 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5310-00-377-3500 is a Nut,plain,castellated,hexagon, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-377-3500 has 1 cross-referenced part number: 1A5660 (Caterpillar Inc Div Caterpillar Defense).
There is 1 known substitute for 5310-00-377-3500: 5310-00-270-8848. Verify interchangeability with system specifications before substitution.
Key specifications for 1A5660: Width Across Flats: 1.000 INCHES NOMINAL IN; Thread Series: UN; Thread Quantity Per Inch: 20; Nominal Thread Size: 0.688 INCHES IN. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-377-3500 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.