Model: 2558779-2

Turnlock Fastener Stud

Properties:

Grip Length

Between 0.291 inches and 0.301 inches

Diameter

Between 0.490 inches and 0.500 inches

Turnlock Stud Shank Style

Stud shank

Extension Length

Between 0.144 inches and 0.156 inches

Turnlock Stud Head Style

Flat fillister

Drive Type

Socket

Stud Thread Size And Series/type Designator

0.250-28 unf

Stud Head Height

Between 0.105 inches and 0.125 inches

Stud Shank Major Diameter

Between 0.373 inches and 0.375 inches

Material

Steel comp 8740

Material Specification

Qq-s-624 assn standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, class 2 federal specification single treatment response

Specification Data

10001-2558779-2 manufacturers specification control

NSN

5325-01-240-0443

Part Number

2558779-2

Description

Stud,turnlock Fastener

CAGE

10001

A pinlike item designed to turn within and be held in place by an eyelet, turnlock fastener; ring, retaining; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a lockspring, turnlock fastener or receptacle, turnlock fastener. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.

Part 2558779-2 NSN 5325-01-240-0443

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

18421

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:

0.1000lbs

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:

094533

UFC:

52240

LTL:

77.5

LCL:

WCC:

713

TCC:

SHC:

ACC:

Trailers/Vehicles

Pricing & Availability Check

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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