Military Standard - Self-Locking Extended Washer Nut - MS21042L5
Standard Part
Description: Self-Locking Extended Washer Nut
Part Number: MS21042L5
Alternate Part Numbers: 010210-006, 10121717, 2110063, 2628856, 5310PL0141537, 984050, CIPRD-MS21042-L5, FN12M054, H14-5, MS21042-L5, NAS1291-5, NAS679A5, RM52LH3324-054, T6S524, T98S524
Product Overview
A nut having 6 flat sides and an integral washer that extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Item Specification
| Thread Class | 3B | |
| Thread Direction | Right-hand | |
| Locking Feature | Prevailing torque all-metal design | |
| Washer Outside Diameter | 0.520 inches maximum | |
| Lubrication | Dry film lubricant | |
| Overall Height | 0.251 inches minimum and 0.266 inches maximum | |
| Nut Style | Hexagon | |
| Washer Thickness | 0.023 inches minimum | |
| Width Across Flats | 0.367 inches minimum and 0.378 inches maximum | |
| Temp Rating | 450.0 deg fahrenheit nominal | |
| Thread Series | UNJF | |
| Thread Quantity per Inch | 24 | |
| Hardness Rating | 49.0 rockwell C maximum | |
| Nominal Thread Size | 0.312 inches | |
| Material | Steel overall | |
| Surface Treatment | Cadmium overall and chromate overall | |
| Surface Treatment Document and Classification | QQ-P-416, ty 2, cl 3 fed spec single treatment response overall |
| Additional info | |
|---|---|
| Colors | Chrome |
| Dimensions | |
|---|---|
| Dimensions (W x H x D) | 3.95" x 4.85" x 0.50" inches |
| Length | 4.85" inches |
| Weight | 0.16 lb |
| Specifications | |
|---|---|
| 8130-3 Eligible | No |
| ATA Chapter | 51 ATA Standard Practices and Structures |
| Available Conditions | NE / NS |
| Cage Code | 96906 |
| Country of origin | United States of America |
| ECCN / USML | 9A991.d |
| FAA Approval Code | STD |
| Grip | 0.312 inches |
| Hazmat Code | Not Applicable |
| Hazmat(Y/N) | N |
| Material | Steel Overall |
| NSN | 5310-00-807-1476 |
| Schedule B | 7318.16.0000 |
| Thread | 3B |
| Total Shelf Life (days) | Not Applicable |
| Type | Nut |
| Units of Measure (UoM) | Each |
| Brand | Military Standards |
| Color | Chrome |
| Condition status | Depreciated |