Model: M37BS256-4CC

Socket Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.250 inches
Fastener Length
0.250 inches
Head Style
Pan no. 2
Head Diameter
Between 0.155 inches and 0.167 inches
Head Height
Between 0.045 inches and 0.053 inches
Locking Feature
Patch threads or strip threads
Internal Drive Style
Slot
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Material
Steel
Surface Treatment
Cadmium and chromate
Thread Series Designator
Unc
NSN
5305-00-771-6931
Part Number
M37BS256-4CC
Description
Screw,cap,socket Head
CAGE
26233

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 M37BS256-4CC NSN 5305-00-771-6931

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:
CRITL:
X

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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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