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2a
RIGHT-Hand
1.000in. ⁓1/64"
round
pellet or strip or patch
slot
0.250in. ⁓1/4"
20
nickel alloy 400
QQ-N-281, classa fed spec 1st material response
unc
Unc
20
Round
Right-hand
2a
Schedule B number: 7508900000
nmfc 093486
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5305 ⁓ Screws
unc thread series 20 thread quantity per inch round head style right-hand 2a thread class
1. | FF-S-92 | Cage 81348 |
2. | 0.250-20UNC-2AX 1.000IN.MONEL | Cage D9182 |
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.