Model: NAS145A25

Internal Wrenching Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.5475 inches and 0.5775 inches

Fastener Length

Between 1.5475 inches and 1.5775 inches

Head Style

Bevel-conical

Head Diameter

Between 0.523 inches and 0.531 inches

Head Height

0.276 inches

Shank Unthreaded Hole Diameter

0.076 inches first hole

Internal Drive Style

Hexagon

Thread Diameter

0.312 inches

Width Across Flats

Between 0.313 inches and 0.315 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

1.391 inches first hole

Material

Steel comp e4340 or steel comp 8740 or steel comp 6150

Material Specification

Mil-s-5000, cond c4 military specification 1st material response or mil-s-6049 cond c4 military specification 2nd material response or mil-s-8503 cond c4 military specification 3rd material response

Surface Treatment

Cadmium

Thread Series Designator

Unf

NSN

5306-00-282-2158

Part Number

NAS145A25

Description

Bolt,internal Wrenching

CAGE

80205

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 NAS145A25 NSN 5306-00-282-2158

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

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