Model: 3M927-5L19

Close Tolerance Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.531 inches
Fastener Length
1.719 inches
Head Style
Flat countersunk
Head Diameter
0.429 inches
Grip Diameter
Between 0.3110 inches and 0.3120 inches
Shank Unthreaded Hole Diameter
0.076 inches and 0.081 inches
Internal Drive Style
Recessed type i
End Application
F-15sa
Thread Diameter
0.3125 inches
Grip Length
1.188 inches
Features Provided
Cetyl alcohol lubricant
Thready Qty Per Inch (tpi)
24
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Distance From Head Largest Bearing Surface To Shank Hole Center
1.595 inches and 1.605 inches
Part Name Assigned By Controlling Agency
Screw-close tolerance, 100 degrees c'sunk, reduced head, high torque
Material
Nickel alloy 718
Material Specification
Ams 5662 federal specification single material response
Surface Treatment
Aluminum
Surface Treatment Specification
Mil-dtl-83488, type ii, class 3 military specification single treatment response
Thread Series Designator
Unjf
NSN
5305-01-626-8203
Part Number
3M927-5L19
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 3M927-5L19 NSN 5305-01-626-8203

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

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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)

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