Model: 1/4-28UNF-TIN

Hexagon Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

Between 0.088 inches and 0.093 inches

Width Across Flats

Between 0.309 inches and 0.315 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Bearing Surface Type

Chamfered

Material

Copper alloy 268 or copper alloy 260 or copper alloy 230 or copper alloy 377 or copper alloy 360 or copper alloy 353 or copper alloy 262 or copper alloy 270 or copper alloy 272 or copper alloy 274 or copper alloy 280 or copper alloy 330 or copper alloy 331 or copper alloy 332 or copper alloy 335 or copper alloy 340 or copper alloy 344 or copper alloy 345 or copper alloy 347 or copper alloy 350 or copper alloy 356 or copper alloy 370 or copper alloy 462 or copper alloy 464 or copper alloy 465 or copper alloy 466 or copper alloy 467 or copper alloy 482 or copper alloy 485 or copper alloy 210 or copper alloy 220 or copper alloy 510 or copper alloy 745 or copper alloy 752 or copper alloy 764 or copper alloy 770 or copper alloy 240 or copper alloy 342

Material Specification

Qq-b-626, temper 1/2 hard federal specification all material responses or qq-b-637, temper 1/2 hard federal specification all material responses

Surface Treatment

Tin

Surface Treatment Specification

Mil-t-10727, type 1 military specification single treatment response

NSN

5310-01-073-7022

Part Number

1/4-28UNF-TIN

Description

Nut,plain,hexagon

CAGE

18796

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 1/4-28UNF-TIN NSN 5310-01-073-7022

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01857

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:

093460

UFC:

48930

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7415290000
SITC: 69432
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded