Model: 91676

Externally Relieved Body Screw

Special Features:

End has 0.094 in. Spherical radius point, 60.0 degrees angle 0.275 in. Lg

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.580 inches

Fastener Length

Between 2.325 inches and 2.335 inches

Head Style

Flat chamfer

Head Diameter

0.540 inches

Head Height

0.180 inches

First Diameter From Head

Between 0.326 inches and 0.336 inches

Second Diameter From Head

0.4375 inches

Third Diameter From Head

Between 0.326 inches and 0.336 inches

Fourth Diameter From Head

Between 0.3685 inches and 0.3695 inches

Fifth Diameter From Head

Between 0.258 inches and 0.262 inches

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

0.120 inches

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

0.700 inches

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

0.880 inches

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

1.470 inches

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

1.564 inches

Internal Drive Style

Slot

Thread Diameter

0.4375 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Chamfer Angle

45.0 degrees

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

Between 2.325 inches and 2.335 inches

Sixth Diameter From Head

Between 0.3685 inches and 0.3695 inches

Material

Steel

Material Specification

Ams5630 assn standard single material response

Thread Series Designator

Unc

NSN

5305-00-334-9817

Part Number

91676

Description

Screw,externally Relieved Body

CAGE

73030

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 91676 NSN 5305-00-334-9817

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:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

70.0

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