Model: 73991H-7D29

Close Tolerance Screw

Special Features:

Heat treated and plated

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.466 inches

Fastener Length

Between 2.262 inches and 2.309 inches

Head Style

Flat countersunk

Head Diameter

Between 0.880 inches and 0.890 inches

Grip Diameter

Between 0.4360 inches and 0.4370 inches

Shank Unthreaded Hole Diameter

0.106 inches first hole and 0.111 inches first hole

Internal Drive Style

High-torque

Thread Diameter

0.438 inches

Grip Length

Between 1.802 inches and 1.822 inches

Thready Qty Per Inch (tpi)

Countersink Angle

100.0 degrees

Distance From Head Largest Bearing Surface To Shank Hole Center

2.134 inches first hole and 2.191 inches first hole

Material

Steel

Surface Treatment

Cadmium

Surface Treatment Specification

Mac ps13145, fscm 76301 mfr ref single treatment response

Thread Series Designator

Unjf

Specification Data

76301-st3-562 professional/industrial association standard

NSN

5305-01-013-9600

Part Number

73991H-7D29

Description

Screw,close Tolerance

CAGE

80539

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part 73991H-7D29 NSN 5305-01-013-9600

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29294

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:

096640

UFC:

50600

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

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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