Model: B831-2100-31

Socket Head Cap Screw

Special Features:

Screw, cap; self-locking socket flat head

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.250 inches

Fastener Length

1.500 inches

Head Style

Flat countersunk

Head Diameter

0.872 inches

Hole Diameter

0.312 inches

Locking Feature

Patch head or pellet head

Internal Drive Style

Hexagon

End Application

Platform ay s; los angeles class ssn (688)

Thread Diameter

0.500 inches

Width Across Flats

0.500 inches

Hole Quantity

Thready Qty Per Inch (tpi)

Countersink Angle

82.0 degrees

Material

Nickel alloy 502

Material Specification

Qq-n-286; type 4 federal specification 1st material response

Thread Series Designator

Unrc

NSN

5305-01-500-4620

Part Number

B831-2100-31

Description

Screw,cap,socket Head

CAGE

96169

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 B831-2100-31 NSN 5305-01-500-4620

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:

096640

UFC:

50600

LTL:

70.0

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)