Model: SS426-4491157 ITEM 33

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.451 inches and 0.514 inches

Fastener Length

0.625 inches

Head Style

Flat countersunk

Head Diameter

Between 0.311 inches and 0.359 inches

Internal Drive Style

Hexagon

Thread Diameter

0.164 inches

Width Across Flats

0.094 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

80000 pounds per square inch

Minimum Yield Strength

40000 pounds per square inch

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Surface Finish

63.0 microinches threads

Material

Nickel alloy 400

Material Specification

Qq-n-281 federal specification single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, ty2, cl3 federal specification single treatment response

Thread Series Designator

Unc

Nondefinitive Specification/std Data

4 type

NSN

5305-01-148-0238

Part Number

SS426-4491157 ITEM 33

Description

Screw,cap,socket Head

CAGE

25685

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 SS426-4491157 ITEM 33 NSN 5305-01-148-0238

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

139820

UFC:

70220

LTL:

85.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7508900000
SITC: 69975
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)