Model: HT4027-7-27

Close Tolerance Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.656 inches
Fastener Length
2.3435 inches
Head Style
Flat countersunk
Head Diameter
Between 0.612 inches and 0.672 inches
Grip Diameter
Between 0.4365 inches and 0.4370 inches
Internal Drive Style
High-torque
End Application
F-15sa
Thread Diameter
0.4375 inches
Grip Length
1.6875 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
125000 pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Material
Nickel alloy 718
Surface Treatment
Passivate
Thread Series Designator
Unjf
NSN
5305-01-626-0694
Part Number
HT4027-7-27
Description
Screw,close Tolerance
CAGE

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part HT4027-7-27 NSN 5305-01-626-0694

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
Concept No.:
App. Key:
SS
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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Pricing & Availability Check

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

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this close tolerance screw (NSN 5305-01-626-0694) 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: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

Highest Rated Parts
Recently Purchased Parts
Hot Parts