Model: 1D91

Hexagon Slotted Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Slotted, hexagon

Nut Height

Between 0.428 inches and 0.448 inches

Width Across Flats

Between 0.552 inches and 0.572 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 19.0 rockwell c and 26.0 rockwell c

Thread Size

0.375 inches

Countersink Angle

88.0 degrees nut and 92.0 degrees nut

Bearing Surface Type

Chamfered or washer faced

Material

Steel comp 8740 or steel comp 4140

Material Specification

Ams 6322 assn standard 1st material response or ams 6382, ht3 assn standard 1st material response or ams 6382 assn standard 2nd material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams 2400 assn standard single treatment response

NSN

5310-00-596-6091

Part Number

1D91

Description

Nut,plain,slotted,hexagon

CAGE

0AHP5

A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.

Part 1D91 NSN 5310-00-596-6091

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01859

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