Model: B1821BH025F044L

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.318 inches and 0.438 inches

Fastener Length

Between 0.407 inches and 0.438 inches

Head Style

Hexagon

Head Height

Between 0.150 inches and 0.163 inches

Width Between Flats

Between 0.428 inches and 0.438 inches

Locking Feature

Patch threads or strip threads

Thread Diameter

0.250 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

150000 pounds per square inch

Hardness Rating

32.0 rockwell c fastener and 38.0 rockwell c fastener

Material

Plastic polyamide locking feature

Material

Steel fastener

Material Specification

Sae j429 grade 8 assn standard single material response fastener

Surface Treatment

Zinc fastener and chromate fastener

Surface Treatment Specification

Astm b633 type 2 sc 3 assn standard single treatment response fastener

Thread Series Designator

Unf

Nondefinitive Specification/std Data

2 type and 10p style and 8 grade

NSN

5306-01-156-5436

Part Number

B1821BH025F044L

Description

Bolt,machine

CAGE

80204

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part B1821BH025F044L NSN 5306-01-156-5436

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01847

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:

1.0000lbs

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