Model: 40S51A040-8A

Turnlock Fastener Stud Assembly

Properties:

Diameter

Between 0.377 inches and 0.384 inches

Securing Device Type

Washer

Turnlock Stud Head Style

Stud head

Stud Assembly Style

Stud assembly

Distance From Engaging Member To Largest Bearing Surface Of Head

Between 0.633 inches and 0.643 inches

Eyelet Outside Diameter

Between 0.365 inches and 0.373 inches

Eyelet Length

Between 0.155 inches and 0.165 inches

Material Accommodated Thickness

Between 0.593 inches and 0.603 inches

Drive Type

Slotted

Stud Head Height

0.102 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Surface Treatment

Cadmium and chromate

Surface Treatment

Cadmium and chromate

NSN

5325-00-173-0261

Part Number

40S51A040-8A

Description

Stud Assembly,turnlock Fastener

CAGE

71286

A stud, turnlock fastener over which may be assembled an eyelet, turnlock fastener. Stud(s) without cam slots or cam lead threads are provided with a crosspin or eared nut for locking with the mating receptacle, turnlock fastener. May be spring loaded. For like items having a threaded fastener, see screw assembly, panel or screw, panel fastener.

Part 40S51A040-8A NSN 5325-00-173-0261

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

18484

FIIG:

A05400

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:

066440

UFC:

36960

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 9607190000
SITC: 89985
End Use: Finished textile supplies
NAICS: 339993
USDA: 1

Freight Class: Slide fasteners, nesoi