NAS1221R4E4

Close Tolerance Bolt

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Description:

Fastener Length: 11/16", Thread: 1/4-28, Thread Length: 27/64

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NAS1221R4E4 Price:	buy now $4.62 Each
Quantity: Pre-packaged bag qty: 10 ea
* Sold in increments of 10

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NAS1221R4E4 Datasheet Features and Specification

Thread Class:

Thread Direction:

Right-hand

Thread Length:

0.425 inches nominal

Fastener Length:

0.661 inches minimum and 0.691 inches maximum

Head Style:

Flat countersunk

Head Diameter:

0.461 inches minimum and 0.507 inches maximum

Internal Drive Style:

Torque-set ribbed

Thread Diameter:

0.250 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

160000 pounds per square inch

Countersink Angle:

99.0 degrees minimum and 101.0 degrees maximum

Part Name Assigned By Controlling Agency:

Navy special project

Screw Material:

Iron alloy 660

Screw Material Specification:

Ama5731 assn std single material response or ama5732 assn std single material response or ams5737 assn std single material response

Screw Surface Treatment:

Passivate

Screw Surface Treatment Specification:

Qq-p-35 fed spec single treatment response

Thread Series Designator:

Unjf

Specification Data:

80205-nas1221 professional/industrial association standard

Quick Specs

Thread Size	1/4
Thread Qty	28
Material	Iron
Length	11/16

Additional Information

SKU / Model:	NAS1221R4E4
NSN:	5305-01-365-1910
FSC:	Screws / 5305
Product Series:	NAS1221R4E
Pack Weight (Approx.)	0.000 lb
Minimum Qty (MOQ):	10
Schedule B:	7318.15.8085
ECCN:	EAR99
National Motor Freight:	096640, Screws, Iron Or Steel
Download PDF Version NAS1221R4E4_Military-Fasteners-com.pdf

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More NAS1221R4E close tolerance bolts

NAS1221R4E6

Fastener Length: 3/8", Thread: 1/2-

NAS1221R4E5

Fastener Length: 3/4", Thread: 1/4-28, Thread Length: 27/64"

NAS1221R4E3

NAS1221R4E23

Fastener Length: 1-7/16", Thread: 1/2-

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Product code NAS1221R4E4

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