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NAS1153-4

Close Tolerance Screw

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Description

Flat Head Machine Screw

Specifications

Countersink Angle Between 99.0 degrees and 101.0 degrees
Country of Origin USA
Fastener Length Between 0.511 inches and 0.541 inches
Finish Cadmium Plated, Type II, Class 2 per QQ-P-416
Grip 0.250 in
Grip Diameter Between 0.1885 inches and 0.1895 inches
Grip Length 0.250
Hardness Rating 36.0 rockwell c and 40.0 rockwell c
Head Angle 100 º
Head Diameter Between 0.328 inches and 0.385 inches
Head Style Flat countersunk
Head Type Offset Cruciform
Industry Standards/Certification NAS1153
Internal Drive Style Offset cruciform (torque set)
Length 0.526 in
Material Steel
Material Specification Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Min. Tensile Strength (psi) 160000 pounds per square inch
NIIN 00-814-1927
NSN 5305-00-814-1927
Sold In EA
Specification Data 80205-nas1153 professional/industrial association standard
Surface Finish 32.0 microinches grip, 32.0 microinches threads
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Class 3a
Thread Diameter 0.190
Thread Direction Right-hand
Thread Length 0.276
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 10
Weight .005 lb

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

  • NAS1153V4 NAS #10-32 · 17/32 in · Flat countersunk · Titanium
  • NAS1153V4A NAS #10-32 · 17/32 in · Flat countersunk · Titanium

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Catalog data updated 2026-07-05. Report a data error