311-291B

Thumbscrew

NSN 5305-00-639-1120

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

100 EA

NIIN:

006391120

Technical Specifications of NSN

Thread Class:

Thread Direction:

Right-hand

Thread Length:

0.125 inches

Fastener Length:

0.527 inches

Head Style:

Knurled no. 1

Head Diameter:

0.500 inches

Head Height:

0.234 inches

Shoulder Diameter:

0.375 inches first shoulder

Shoulder Length:

0.027 inches first shoulder

Point Style:

Flat

Thread Diameter:

0.164 inches

Thready Qty Per Inch (tpi):

Shoulder Shape:

Round first shoulder

Material:

Steel comp 1213

Surface Treatment:

Chromium

Thread Series Designator:

Unc

NSN:

5305-00-639-1120

Item Name:

Knurled Head Screw

Cage Code:

21900

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

SCB77593

Cage Code:

80063

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

611542

Cage Code:

06650

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

11542P12

Cage Code:

06650

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06673

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Knurled Head Screw"

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).