Model: 6256ESS2528

Spline Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Pilot Diameter

Between 0.366 inches and 0.369 inches

Pilot Length

Between 0.245 inches and 0.255 inches

Counterbore Diameter

0.290 inches nut and 0.300 inches nut

Nut Style

Spline

Nut Diameter

Between 0.497 inches and 0.503 inches

Nut Height

Between 0.428 inches and 0.448 inches

Nut Counterbore Depth

0.307 inches nut and 0.317 inches nut

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel comp 203ez or steel comp 303 plus x or steel comp 416 plus x or steel comp 303 or steel comp 303pb or steel comp 303se or steel comp 416 or steel comp 416se or steel comp 430f or steel comp 430fse

Material Specification

Astm a581 assn standard all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

NSN

5310-01-113-9815

Part Number

6256ESS2528

Description

Nut,plain,spline

CAGE

D9182

A nut having an externally splined sleeve which holds it in position when forced into a hole of slightly smaller diameter.

Part 6256ESS2528 NSN 5310-01-113-9815

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01861

FIIG:

A021A0

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:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel