NAS1801-4-20

Machine Screw

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Description:

length: 1-1/4", thread: 1/4-28, hex head screw, cruciform recess, full thread, alloy steel

* Manufacturer certifications are shipped with your order FREE of charge
NAS1801-4-20
NAS1801-4-20
NAS1801-4-20
NAS1801-4-20
NAS1801-4-20
NAS1801-4-20
Add to Cart Up to qty 175 ships same day if ordered before 4pm EST
NAS1801-4-20 Price:
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$1.73 Each
Quantity:
Pre-packaged bag qty: 25 ea
* Sold in increments of 25
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NAS1801-4-20 Datasheet Features and Specification

Thread Length:
Between 1.170 inches and 1.249 inches
Thread Direction:
Right-hand
Thread Diameter:
0.250 inches
Thread Class:
3a
Specification Data:
80205-nas1801 professional/industrial association standard
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Cl 2 federal specification single treatment response type 2 qq-p-416
Material Specification:
Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd material response
Material:
Steel
Min. Tensile Strength (psi):
160000 pounds per square inch
Internal Drive Style:
Cross recess type 1
Head Style:
Hexagon
Head Height:
Between 0.125 inches and 0.140 inches
Fastener Length:
Between 1.234 inches and 1.281 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Width Between Flats:
Between 0.367 inches and 0.376 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Steel

Additional Information

SKU / Model: NAS1801420
NSN: 5305-01-212-4522
FSC: Screws / 5305
Product Series: NAS1801
Pack Weight (Approx.) 0.456 lb
Minimum Qty (MOQ): 25
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1801-4-20_Military-Fasteners-com.pdf
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Product Image Gallery

Product code NAS1801-4-20
NAS1801-4-20
NAS1801-4-20
NAS1801-4-20
NAS1801-4-20
NAS1801-4-20
NAS1801-4-20

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Very good service as always. Ive been a customer for years. My go to parts store.

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Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

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As always, my order was handled with excellence in all areas of customer service, delivery, etc.

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Devin provided quick and efficient shipping!

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