Model: 21-0

Thumbscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.625 inches
Fastener Length
1.188 inches
Head Style
Thumb no. 1
Head Height
0.625 inches
Width Between Flats
1.875 inches
Shoulder Diameter
0.344 inches first shoulder
Shoulder Length
0.188 inches first shoulder
Point Style
Flat
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Shoulder Shape
Round first shoulder
Material
Copper alloy
Precious Material
Silver
Surface Treatment
Silver
Thread Series Designator
Unf
NSN
5305-00-638-7534
Part Number
21-0
Description
Thumbscrew
CAGE
65263

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).

Part 21-0 NSN 5305-00-638-7534

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06673
FIIG:
A003B0
Concept No.:
App. Key:
SR
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
S
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096630
UFC:
50590
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:



Privacy Policy    Terms & Conditions

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this thumbscrew (NSN 5305-00-638-7534) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form »
Schedule B and Export
  • Schedule B: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

Highest Rated Parts
Recently Purchased Parts
Hot Parts