Model: 34104-1

Externally Relieved Body Screw

Special Features:

Lettered (s) on head

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.170 inches and 0.200 inches

Fastener Length

Between 1.150 inches and 1.160 inches

Head Style

Double chamfer

Head Diameter

Between 0.682 inches and 0.685 inches

Head Height

Between 0.115 inches and 0.135 inches

Shank Unthreaded Hole Diameter

0.106 inches first hole

First Diameter From Head

Between 0.4785 inches and 0.4840 inches

Second Diameter From Head

Between 0.4985 inches and 0.4990 inches

Third Diameter From Head

Between 0.422 inches and 0.432 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

Between 0.050 inches and 0.070 inches

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

Between 0.840 inches and 0.860 inches

Distance From Largest Bearing Surface Of Head To End Of Third Diameter

Between 0.910 inches and 0.950 inches

Internal Drive Style

Slot

Thread Diameter

0.500 inches

Thready Qty Per Inch (tpi)

Distance From Head Largest Bearing Surface To Shank Hole Center

1.027 inches first hole

Externally Relieved Body Diameter Quantity

Material

Steel comp 4130 or steel comp 8740

Surface Treatment

Cadmium head

Surface Treatment Specification

Qq-p-416, type 1, cl 3 federal specification single treatment response head

Test Data Document

81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Thread Series Designator

Unf

NSN

5305-00-208-1596

Part Number

34104-1

Description

Screw,externally Relieved Body

CAGE

89446

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

Part 34104-1 NSN 5305-00-208-1596

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01852

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

713

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