Model: 1278271

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.542 inches

Fastener Length

0.625 inches

Head Style

Pan

Head Diameter

Between 0.594 inches and 0.615 inches

Head Height

Between 0.203 inches and 0.218 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Primary Washer Outside Diameter

Between 0.678 inches and 0.698 inches

Primary Washer Style

Dome external and internal teeth

Primary Washer Material Thickness

0.050 inches

Material

Steel comp 1010 fastener

Material

Steel primary washer

Surface Treatment

Phosphate

Thread Series Designator

Unf

NSN

5305-00-737-4835

Part Number

1278271

Description

Screw,assembled Washer

CAGE

12204

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Part 1278271 NSN 5305-00-737-4835

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06660

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

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