Model: M12554

Round Plain Nut

Properties:

Thread Pitch Diameters

+2.5119/+2.5170 inches

Thread Direction

Right-hand

Drive Point Depth

0.125 inches

Nut Style

Round

Nut Diameter

Between 3.355 inches and 3.385 inches

Nut Thickness

Between 0.553 inches and 0.573 inches

Drive Point Width

Between 0.240 inches and 0.260 inches

Drive Point Quantity

Thread Series

Uns

Thready Qty Per Inch (tpi)

Hardness Rating

Between 66.0 rockwell b and 92.0 rockwell b

Thread Size

2.548 inches

Material

Steel

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

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

NSN

5310-00-185-6541

Part Number

M12554

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 M12554 NSN 5310-00-185-6541

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:

0.5000lbs

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:

114820

UFC:

58860

LTL:

77.5

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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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