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- ST3M547-5-21
Model: ST3M547-5-21
Shoulder ScrewProperties:
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.492 inches and 0.558 inches
Fastener Length
Between 1.764 inches and 1.810 inches
Head Style
Flat countersunk
Head Diameter
Between 0.625 inches and 0.635 inches
Shoulder Diameter
0.3422 inches first shoulder and 0.3432 inches first shoulder
Shoulder Length
1.182 inches first shoulder and 1.202 inches first shoulder
Internal Drive Style
High-torque
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Countersink Angle
Between 90.0 degrees and 110.0 degrees
Shoulder Shape
Round first shoulder
Material
Steel
Material Specification
23-105 fscm 76301 mfr ref single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ps 13145 fscm 76301 mfr ref single treatment response
Thread Series Designator
Unjf
NSN
5305-01-091-7925
Part Number
ST3M547-5-21
Description
Screw,shoulder
CAGE
Part ST3M547-5-21 NSN 5305-01-091-7925
INC:
22846 FIIG:
A003B0 Concept No.:
App. Key:
SL Cond. Code:
1 Status:
A Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsHMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X Freight Classification
NMFC:
093486 UFC:
48950 LTL:
RATING VARIABLE LCL:
-- WCC:
713 TCC:
Z SHC:
9 ACC:
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