The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-937-1216, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hartzell Propeller Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-937-1216 |
| Primary Part Number | A1373 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Hartzell Propeller Llc |
| Status | ACTIVE |
| Nominal Thread Size | 0.438 INCHES IN |
| Bearing Surface Type | CHAMFERED |
| Material Document and Classification | AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Thread Quantity Per Inch | 20 |
| Thread Series | UNF |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Width Across Flats | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Nut Height | 0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN |
| Material | STEEL COMP 1137 NUT |
| Surface Treatment | CADMIUM OVERALL EXCEPT INSERT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYCAPROLACTAM LOCKING INSERT |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-937-1216 is a Nut,self-Locking,hexagon, manufactured by Hartzell Propeller Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-937-1216 has 2 cross-referenced part numbers: A1373 (Hartzell Propeller Llc), A1373 (Technic Aviation).
There are 4 known substitutes for 5310-00-937-1216: 5310-00-010-3320, 4720-00-212-6948, 2920-00-640-7518 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for A1373: Nominal Thread Size: 0.438 INCHES IN; Bearing Surface Type: CHAMFERED; Material Document and Classification: AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE NUT; Thread Quantity Per Inch: 20. 16 total characteristics are documented in the Federal Logistics Information System.