Model: 0.250-28UNF-3A 0.625

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.554 inches

Fastener Length

0.625 inches

Head Style

Hexagon

Head Height

Between 0.244 inches and 0.250 inches

Width Between Flats

Between 0.365 inches and 0.375 inches

Locking Feature

Patch or pellet or strip bearing surface of head

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

0.188 inches

Thready Qty Per Inch (tpi)

Material

Nickel alloy

Material Specification

Ade 500 per qq-n-286 assn standard 14th material response

Thread Series Designator

Unf

NSN

5305-01-390-2842

Part Number

0.250-28UNF-3A 0.625

Description

Screw,cap,socket Head

CAGE

80204

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 0.250-28UNF-3A 0.625 NSN 5305-01-390-2842

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:

1.2000lbs

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: 7508900000
SITC: 69975
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)