Model: MS27955-1

Round Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Drive Point Depth

0.062 inches

Nut Style

Round

Nut Diameter

Between 1.032 inches and 1.052 inches

Nut Thickness

Between 0.178 inches and 0.198 inches

Drive Point Width

Between 0.120 inches and 0.130 inches

Drive Point Quantity

Thread Series

Unef

Thready Qty Per Inch (tpi)

Hardness Rating

Between 26.0 rockwell c and 32.0 rockwell c

Thread Size

0.500 inches

Countersink Angle

90.0 degrees both ends and 120.0 degrees both ends

Bearing Surface Finish

125.0 microinches

Material

Steel comp 4140

Material Specification

66 federal standard all material responses

Surface Treatment

Phosphate zinc

Surface Treatment Specification

Dod-p-16232, ty z, cl 3 military specification single treatment response

NSN

5310-01-424-3580

Part Number

MS27955-1

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 MS27955-1 NSN 5310-01-424-3580

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:

0.2000lbs

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:

576

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