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Socket Head Cap Screw

Model NAS1351-4LB20P

Quick Information about NAS1351-4LB20P

3a thread class, steel overall material, cadmium overall surface treatment, unrf thread series designator.

For pricing and availability of this socket head cap screw submit the price quote form on the right.

Product Details

  • NSN:
    5305-01-564-4585 (5305015644585)
  • Thread Direction:
    Right-hand
  • Thread Length:
    1.000 inches
  • Fastener Length:
    1.250 inches
  • Head Style:
    Flat chamfer
  • Head Diameter:
    Between 0.243 inches and 0.250 inches
  • Head Height:
    Between 0.244 inches and 0.255 inches
  • Locking Feature:
    Pellet threads
  • Internal Style:
    Hexagon
  • Thread Diameter:
    0.250 inches
  • Width Flats:
    0.188 inches
  • Thready (tpi):
    28
  • Material Specification:
    Ff-s-86 federal specification single material response
  • Surface Specification:
    Qq-p-416 federal specification single treatment response
  • Schedule B Code:
    7318152000

Classification

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

Definition Socket Head Cap Screw

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 Identification

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

Part Materials

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

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