MS3212-1L

Military Standard Socket Cap Screw

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Description:

Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4"

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MS3212-1L Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.180 inches minimum and 0.250 inches maximum
Fastener Length:
0.230 inches minimum and 0.250 inches maximum
Head Style:
Watertight
Head Diameter:
0.205 inches minimum and 0.238 inches maximum
Head Height:
0.070 inches minimum and 0.080 inches maximum
Locking Feature:
Strip threads or pellet threads or patch threads
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.112 inches
Thready Qty Per Inch (tpi):
40
Special Features:
Furnished with o-ring
Material:
Steel comp 304 overall or steel comp 305 overall or steel comp 316 overall or steel comp 384 overall or steel comp xm-7 overall
Material Specification:
Qq-s-763 fed spec 1st material response overall or astm a493 assn std 1st material response overall or qq-s-763 fed spec 2nd material response overall or astm a493 assn std 2nd material response overall or qq-s-763 fed spec 3rd material response overall or astm a493 assn std 3rd material response overall or astm a493 assn std 4th material response overall or astm a493 assn std 5th material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Thread Series Designator:
Unc
Quick Specs
Thread Size 4
Thread Qty 40
Material Steel
Length 1/4

Additional Information

SKU / Model: MS32121L
NSN: 5305-01-157-0879
FSC: Screws / 5305
Product Series: MS3212
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20 EA
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS3212-1L_Military-Fasteners-com.pdf
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5.0

Another good experience with Military Fasteners, and our Sales Rep, Dan Hunter. We needed hardware for an older aircraft model, and Dan's expertise was exceptional. He quickly identified fasteners, even for parts with unclear descriptions, and provided invaluable technical assistance. The supporting data was spot-on, verified by our technicians. Despite finding slightly lower prices elsewhere, the unmatched service and expertise from Military Fasteners, particularly Dan, make them our preferred choice. Our order was delivered ahead of schedule. Highly recommend MilFast for top-notch service and technical support!

5.0

Professional & timely in responses & delivery.

5.0

As always, goods exactly as ordered, packaged well, shipped promptly...doesnt get any better. Thank you.

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