NAS4204U12

Bolt

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Description:

Fastener Length: 1-3/16", Thread: 1/4-28, Thread Length: 27/64"

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NAS4204U12 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.425 inches nominal
Fastener Length:
1.160 inches minimum and 1.190 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.4564 inches minimum and 0.508 inches maximum
Grip Diameter:
0.249 inches minimum and 0.250 inches maximum
Internal Drive Style:
Tri-wing recess
Thread Diameter:
0.250 inches
Grip Length:
0.740 inches minimum and 0.760 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
125.0 microinches grip
Surface Finish:
125.0 microinches top of head
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731 assn std single material response overall or ams 5737,uns k66286 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Supplementary Features:
Tri-wing recess no. nas4000-6
Thread Series Designator:
Unjf
Specification Data:
80205-nas4003 professional/industrial association standard and 80205-nas4204/canceled/ professional/industrial association standard
Nondefinitive Specification/std Data:
1 class and a type and 3 table and 0.250-28 size
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 1-3/16

Additional Information

SKU / Model: NAS4204U12
NSN: 5305-01-297-8020
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: EAR99
Download PDF Version
NAS4204U12_Military-Fasteners-com.pdf
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Military Fasteners is first on my list for the hard to find items so often associated with Government Projects. Brittany and Michael have always been quick to respond and nothing but professional in every way. I look forward to a continued relationship with Military Fasteners.

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I've been a customer since 1983 and you have provided what I needed most times in a very timely manner at the right price. Over all I have been very satisfied with your company.

5.0

Military Fasteners is an exceptional company in terms of how they run their business. Very prompt and responsive to questions, concerns, quotes, and all other forms of inquiry. Brittany Cornish supports many of the business transactions we perform with Military Fasteners and has made working with them an absolute pleasure. I would highly recommend them to anyone seeking mil-spec hardware.

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As always, doing business with you is a pleasure!!

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