Model: 51A137B124

Round Plain Nut

Properties:

Thread Pitch Diameters

+3.4800/+3.4850 inches

Thread Direction

Right-hand

Drive Point Depth

0.125 inches

Nut Style

Round

Nut Diameter

3.900 inches

Nut Thickness

0.188 inches

Drive Point Width

0.312 inches

Drive Point Quantity

Thread Series

Uns

Thready Qty Per Inch (tpi)

Thread Size

3.500 inches

Material

Steel comp 4130

Material Specification

Qq-s-624 federal specification single material response

Surface Treatment

Phosphate

NSN

5310-00-208-4299

Part Number

51A137B124

Description

Nut,plain,round

CAGE

10001

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 51A137B124 NSN 5310-00-208-4299

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15887

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