Model: T151-6-6

Close Tolerance Screw

Special Features:

Dry film lubricant

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.563 inches and 0.610 inches
Fastener Length
Between 0.938 inches and 0.985 inches
Head Style
Pan
Head Diameter
Between 0.716 inches and 0.740 inches
Head Height
Between 0.244 inches and 0.261 inches
Grip Diameter
Between 0.3735 inches and 0.3745 inches
Internal Drive Style
High-torque
Thread Diameter
0.375 inches
Grip Length
0.375 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Surface Finish
63.0 microinches bearing surface of head
Surface Finish
63.0 microinches grip
Part Name Assigned By Controlling Agency
Navy special project
Material
Titanium alloy uns r54520
Thread Series Designator
Unjf
Specification Data
26512-gb511j professional/industrial association standard
NSN
5305-01-043-0017
Part Number
T151-6-6
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 T151-6-6 NSN 5305-01-043-0017

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096640
UFC:
50600
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8109900000
  • SITC: 69987
  • End Use: Finished metal shapes
  • NAICS: 331491
  • USDA: 1

Freight Class: Zirconium and articles thereof nesoi

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