Model: 21341-34

Internal Wrenching Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.662 inches

Fastener Length

5.312 inches

Head Style

Bevel-conical

Head Diameter

Between 0.639 inches and 0.640 inches

Head Height

0.375 inches

Hole Diameter

Between 0.055 inches and 0.060 inches

Internal Drive Style

Hexagon

Thread Diameter

0.375 inches

Width Across Flats

Between 0.313 inches and 0.315 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Hardness Rating

34.0 rockwell c and 40.0 rockwell c

Hole Configuration Style

Round internal hexagon

Material

Steel comp 4340 or steel comp 4140 or steel comp 8740 or steel comp 8735

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, class2 federal specification all treatment responses

Thread Series Designator

Unjf

NSN

5306-01-416-3030

Part Number

21341-34

Description

Bolt,internal Wrenching

CAGE

78062

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 21341-34 NSN 5306-01-416-3030

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06666

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:

0.1000lbs

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

574

TCC:

SHC:

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