Model: 120-259

Close Tolerance Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.260 inches
Fastener Length
0.591 inches
Head Style
Undercut pan no. 2
Head Diameter
0.547 inches
Head Height
0.127 inches
Spline Major Diameter
0.155 inches
Grip Diameter
0.189 inches
Internal Drive Style
Torx
End Application
Mv-22 (e-nsn isil)
Thread Diameter
0.190 inches
Grip Length
0.188 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
3180 pounds per square inch
Part Name Assigned By Controlling Agency
Screw, shear, pan head, close tolerance, short thread, six lobe recess, 95 ksi fsu
Material
Iron alloy 660
Material Specification
Ams 5731 federal specification 1st material response or ams 5732 federal specification 2nd material response or ams 5737 federal specification 3rd material response or ams 5853 federal specification 4th material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams-qq-p-416, type 2, class 2 federal specification single treatment response
Thread Series Designator
Unjf
NSN
5305-01-512-3507
Part Number
120-259
Description
Screw,close Tolerance
CAGE
97499

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 120-259 NSN 5305-01-512-3507

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:
ESD:
MMAC:
NV
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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