Model: M12488

Round Plain Nut

Properties:

Thread Pitch Diameters

+2.1209/+2.1260 inches

Thread Direction

Right-hand

Drive Point Depth

0.125 inches

Nut Style

Round

Nut Diameter

Between 2.953 inches and 2.973 inches

Nut Thickness

Between 0.490 inches and 0.510 inches

Drive Point Width

Between 0.240 inches and 0.260 inches

Drive Point Quantity

Thread Series

Uns

Thready Qty Per Inch (tpi)

Thread Size

2.156 inches

Countersink Angle

45.0 degrees first end and 60.0 degrees first end

Countersink Angle

45.0 degrees second end and 60.0 degrees second end

Material

Steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1035

Material Specification

66 federal standard all material responses

Surface Treatment

Cadmium or chromate zinc

Surface Treatment Specification

Qq-p, 416, type 2, class 3 federal specification 1st treatment response or qq-z-325, type 2, class3 federal specification 2nd treatment response

Nondefinitive Specification/std Data

1 type and 1 class

NSN

5310-00-757-5909

Part Number

M12488

Description

Nut,plain,round

CAGE

D9182

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 M12488 NSN 5310-00-757-5909

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:

0.4000lbs

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