Model: 0.250-20UNC-3A X 0.625LG CRES

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.500 inches

Fastener Length

0.625 inches

Head Style

Flat chamfer

Head Diameter

0.205 inches

Head Height

0.125 inches

Locking Feature

Patch head or pellet head

Internal Drive Style

Hexagon

End Application

Seawolf class ssn

Thread Diameter

0.125 inches

Width Across Flats

0.094 inches

Thready Qty Per Inch (tpi)

Hardness Rating

28.0 rockwell c

Material

Steel comp 630

Material Specification

Mil-s-1222, type 2, gr 630 military specification 2nd material response

Thread Series Designator

Unc

NSN

5305-01-500-4489

Part Number

0.250-20UNC-3A X 0.625LG CRES

Description

Screw,cap,socket Head

CAGE

81349

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 0.250-20UNC-3A X 0.625LG CRES NSN 5305-01-500-4489

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

096640

UFC:

50600

LTL:

70.0

LCL:

WCC:

713

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