Model: NAS1251-2-7

Ring Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.622 inches and 0.642 inches

Shank Length

Between 0.602 inches and 0.662 inches

Eye Stock Diameter

0.562 inches

Shoulder Diameter

Between 0.368 inches and 0.373 inches

Shoulder Length

Between 0.427 inches and 0.447 inches

Ring Stock Diameter

Between 0.230 inches and 0.270 inches

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Hardness Rating

36.0 rockwell c and 40.0 rockwell c

Material

Steel comp e4340 or steel comp 4140 or steel comp 8735 or steel comp 8740 or steel comp 6150

Surface Treatment

Cadmium and chromate or zinc and chromate

Surface Treatment Specification

Qq-p-416 type 2 cl 3 federal specification 1st treatment response or astm b633 type 2 cl 3 assn standard 2nd treatment response

Style Designator

Swivel

Thread Series Designator

Unjf

Specification Data

80205-nas1251 professional/industrial association standard

NSN

5306-01-253-5378

Part Number

NAS1251-2-7

Description

Bolt,ring

CAGE

80205

A bolt, eye having a nonremovable ring assembled in the eye.

Part NAS1251-2-7 NSN 5306-01-253-5378

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01832

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:

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:

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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