NAS1581C4H4

Close Tolerance Bolt

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Description:

Fastener Length: 21/32", Thread: 1/4-28, Thread Length: 27/64", NAS1581 series bolt

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Add to Cart Up to qty 15 ships same day if ordered before 4pm EST

NAS1581C4H4 Price:	buy now $11.43 Each
Quantity: Pre-packaged bag qty: 5 ea
* Sold in increments of 5

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NAS1581C4H4 Datasheet Features and Specification

Thread Class:

Thread Direction:

Right-hand

Thread Length:

0.378 inches minimum and 0.428 inches maximum

Fastener Length:

0.638 inches minimum and 0.668 inches maximum

Head Style:

Flat countersunk

Head Diameter:

0.350 inches minimum and 0.399 inches maximum

Grip Diameter:

0.2485 inches minimum and 0.2495 inches maximum

Internal Drive Style:

High-torque

Thread Diameter:

0.250 inches

Grip Length:

0.240 inches minimum and 0.260 inches maximum

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

Surface Finish:

32.0 microinches grip

Surface Finish:

32.0 microinches threads

Material:

Iron alloy 660 overall

Material Specification:

Ams 5732 assn std single material response overall

Surface Treatment:

Passivate overall

Surface Treatment Specification:

Qq-p-35 fed spec single treatment response overall

Thread Series Designator:

Unjf

Specification Data:

80205-nas1581 professional/industrial association standard

Quick Specs

Thread Size	1/4
Thread Qty	28
Material	Iron
Length	21/32

Additional Information

SKU / Model:	NAS1581C4H4
NSN:	5305-00-163-2654
FSC:	Screws / 5305
Product Series:	NAS1581C
Pack Weight (Approx.)	0.049 lb
Minimum Qty (MOQ):	5
Schedule B:	7318.15.8085
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version NAS1581C4H4_Military-Fasteners-com.pdf

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More NAS1581C close tolerance bolts

NAS1581C5T6

Fastener Length: 57/64", Thread: 1/4-24, Thread Length: 33/64"

NAS1581C5T5

$6.30 EA, Fastener Length: 53/64in., Thread: 1/4-24, Thread Length: 33/64in.

NAS1581C3T16P

Fastener Length: 1-3/8", Thread: 10-32, Thread Length: 3/8"

NAS1581C3H5

Fastener Length: 11/16", Thread: 12-32, Thread Length: 3/8"

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Product code NAS1581C4H4

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