Model: VS3251-4D17M

Shoulder Bolt

Special Features:

Dry film lubed shank per mcair psi8021 class 15 designated by letter m in part number

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.400 inches and 0.450 inches

Fastener Length

Between 1.473 inches and 1.503 inches

Head Style

Dished hexagon

Head Height

Between 0.156 inches and 0.171 inches

Width Between Flats

Between 0.492 inches and 0.502 inches

Shoulder Diameter

0.3115 inches and 0.3120 inches first shoulder

Shoulder Length

1.053 inches and 1.073 inches first shoulder

Shank Unthreaded Hole Diameter

0.076 inches and 0.086 inches first hole

End Application

F-18 a-d aircraft

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Distance From Head Largest Bearing Surface To Shank Hole Center

1.285 inches and 1.325 inches first hole

Shoulder Shape

Round first shoulder

Part Name Assigned By Controlling Agency

Bolt, shoulder - hex head, close tolerance, corrosion resistant steel, up to 1200 degrees f

Material

Stainless steel

Material Specification

Ams5732 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Supplementary Features

Nha: 74a425000

Thread Series Designator

Unjf

NSN

5306-01-645-5396

Part Number

VS3251-4D17M

Description

Bolt,shoulder

CAGE

06950

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part VS3251-4D17M NSN 5306-01-645-5396

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04905

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:

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