Model: B-129141-1

Internal Wrenching Plain Nut

Special Features:

Item must comply with requirements of defense supply center philadelphia production standard no. Po0166nrp

Properties:

Thread Class

Thread Direction

Right-hand

Width Between Flats

0.310 inches

Internal Drive Style

Double hexagon

Nut Style

Internal wrenching

Nut Diameter

Between 0.521 inches and 0.526 inches

Nut Height

Between 0.512 inches and 0.522 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Countersink Angle

90.0 degrees nut

Criticality Code Justification

Zzzy

Material

Steel comp 303

Special Test Features

Special quality control testing

Test Data Document

81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Reference Number Differentiating Characteristics

Reference number differentiating material will be in accordance with naval inventory control point activity hx quality control. Manufacturing and testing specifications available at the dla icp

NSN

5310-01-274-3251

Part Number

B-129141-1

Description

Nut,plain,internal Wrenching

CAGE

94271

A cylindrical-shaped nut, the end opposite the bearing surface being designed with an internal socket or splines for use with an inserted wrench.

Part B-129141-1 NSN 5310-01-274-3251

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04893

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:

0.1000lbs

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