Model: 1525-21

Internally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.720 inches

Fastener Length

2.660 inches

Head Style

Round w/wrench flats

Head Diameter

1.440 inches

Head Height

0.130 inches

Width Between Flats

1.310 inches

Shank Unthreaded Hole Diameter

0.139 inches first hole and 0.144 inches first hole

Concentric Hole Diameter

0.560 inches

Thread Diameter

1.000 inches

Thready Qty Per Inch (tpi)

Hardness Rating

46.0 rockwell c and 48.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center

2.490 inches first hole

Material

Steel

Material Specification

Ams 6427 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Cpt-8206 fscm 13002 mfr ref single treatment response

Style Designator

Concentric hole unthreaded

Thread Series Designator

Uns

NSN

5306-00-142-4867

Part Number

1525-21

Description

Bolt,internally Relieved Body

CAGE

13002

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part 1525-21 NSN 5306-00-142-4867

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06676

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:

0.4000lbs

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