Model: 74D291033-2025

Externally Relieved Body Bolt

Special Features:

Countersunk hole at the end of threads, 0.095 in. Min, 0.155 in. Max dia; groove, 0.580 in. Lg from end, 1.030 in. Min, 1.040 in. Max dia

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.720 inches

Fastener Length

3.900 inches

Head Style

Pan

Head Diameter

1.000 inches

Head Height

0.470 inches

Hole Diameter

0.270 inches

Shank Unthreaded Hole Diameter

0.250 inches first hole and 0.256 inches first hole

First Diameter From Head

0.470 inches

Second Diameter From Head

Between 1.015 inches and 1.025 inches

Third Diameter From Head

Between 1.045 inches and 1.055 inches

Fourth Diameter From Head

Between 1.020 inches and 1.030 inches

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

0.400 inches

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

0.980 inches

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

1.455 inches

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

1.580 inches

Thread Diameter

1.125 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Hole Configuration Style

Round longitudinal hole

Distance From Head Largest Bearing Surface To Shank Hole Center

1.200 inches first hole

Externally Relieved Body Diameter Quantity

Material

Steel comp xm-13

Material Specification

Ams 5629 assn standard single material response

Thread Series Designator

NSN

5306-01-303-3902

Part Number

74D291033-2025

Description

Bolt,externally Relieved Body

CAGE

76301

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 undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 74D291033-2025 NSN 5306-01-303-3902

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06675

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:

0.9000lbs

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:

573

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