Model: MS21295-52

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.807 inches and 0.890 inches
Fastener Length
Between 0.860 inches and 0.890 inches
Head Style
Flat chamfer
Head Diameter
Between 0.550 inches and 0.562 inches
Head Height
Between 0.368 inches and 0.375 inches
Locking Feature
Patch threads or pellet threads or strip threads
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
Between 0.312 inches and 0.316 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
80000 pounds per square inch
Hardness Rating
80.0 rockwell b
Minimum Yield Strength
30000 pounds per square inch
Material
Plastic locking feature
Material
Steel comp 302 fastener or steel comp 303 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener
Material Specification
66 federal standard all material responses fastener
Surface Treatment
Passivate fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Thread Series Designator
Unf
NSN
5305-00-841-2083
Part Number
MS21295-52
Description
Screw,cap,socket Head
CAGE
80205

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part MS21295-52 NSN 5305-00-841-2083

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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