Model: 6256B-SS-2528

Spline Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Pilot Diameter

Between 0.366 inches and 0.369 inches

Pilot Length

Between 0.352 inches and 0.362 inches

Counterbore Diameter

0.290 inches nut and 0.300 inches nut

Nut Style

Spline

Nut Diameter

0.500 inches

Nut Height

0.438 inches

Nut Counterbore Depth

0.298 inches nut and 0.299 inches nut

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Countersink Angle

45.0 degrees nut

Material

Steel comp 303

Material Specification

Qq-s-764 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072 military specification single treatment response

NSN

5310-01-451-4173

Part Number

6256B-SS-2528

Description

Nut,plain,spline

CAGE

1YGB8

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

Part 6256B-SS-2528 NSN 5310-01-451-4173

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