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MS21207-6-6

Military Standard Tapping Screw

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Description

Tapping Screw

Specifications

Alternate Part Number NAS548P-6-6
Countersink Angle 99.0 degrees minimum and 101.0 degrees maximum
Country of Origin USA
Diameter 6
Fastener Length 0.375
Features Provided Casehardened
Finish Cadmium II Plated
Head Angle 100 º
Head Diameter 0.249 inches minimum and 0.279 inches maximum
Head Style Flat countersunk
Head Type Flat
Industry Standards/Certification MS21207
Internal Drive Style Cross recess type 1
Length 3/8 in
Material Steel
NIIN 00-285-7505
NSN 5305-00-285-7505
Nonmachine Thread Diameter 0.138
Nonmachine Thread Style Dog type (type b or c)
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416,type 2,class 3 fed spec single treatment response
Thread Size 6-6
Weight 0.001 lb

Other sizes

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

Cross-reference

Interchangeable

Parts that share a National Stock Number or are listed as an alternate for MS21207-6-6 — functionally equivalent.

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