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2a
RIGHT-Hand
0.500in. ⁓1/2"
flat countersunk
0.250in. ⁓1/4"
20
copper alloy
unc
Unc
20
Flat countersunk
Right-hand
2a
Schedule B number: 7415338550
nmfc 093486
Other copper screws (not for wood) bolts and nuts
FSC 5305 ⁓ Screws
unc thread series 20 thread quantity per inch flat countersunk head style right-hand 2a thread class
1. | 122-7312139 PC 6 | Cage 53711 |
2. | 124-5202449 PC 62 | Cage 53711 |
3. | 1/4-20UNC-2A LG =1/2 | Cage D9182 |
4. | 1/4-20UNC-2A LG 1/2 | Cage 53711 |
5. | 124-5200227 PC 10 | Cage 53711 |
6. | 124-4322649 PC 42 | Cage 53711 |
7. | 1/4-20UNC-2A LG =1/2 | Cage D9182 |
8. | 122-7312139 PC 6 | Cage 53711 |
9. | 124-5202449 PC 62 | Cage 53711 |
10. | 1/4-20UNC-2A LG 1/2 | Cage 53711 |
11. | 124-5200227 PC 10 | Cage 53711 |
12. | 124-4322649 PC 42 | Cage 53711 |
13. | 1/4-20UNC-2A LG =1/2 | Cage D9182 |
14. | 122-7312139 PC 6 | Cage 53711 |
15. | 124-5202449 PC 62 | Cage 53711 |
16. | 1/4-20UNC-2A LG 1/2 | Cage 53711 |
17. | 124-5200227 PC 10 | Cage 53711 |
18. | 124-4322649 PC 42 | Cage 53711 |
Nothing similar to this part number was found in our inventory
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.