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Close Tolerance Screw

Model 11923-4-9

Quick Information about 11923-4-9

3a thread class, nickel alloy 718 overall material, passivate overall surface treatment, unjf thread series designator.

For pricing and availability of this close tolerance screw submit the price quote form on the right.

Product Details

  • NSN:
    5305-01-514-3359 (5305015143359)
  • Thread Direction:
    Right-hand
  • Thread Length:
    0.469 inches
  • Fastener Length:
    1.031 inches
  • Head Style:
    Fillister countersunk
  • Head Diameter:
    Between 0.390 inches and 0.395 inches
  • Head Height:
    0.015 inches
  • Grip Diameter:
    Between 0.249 inches and 0.250 inches
  • Internal Style:
    High-torque
  • End Application:
    Wing aircraft
  • Thread Diameter:
    0.250 inches
  • Grip Length:
    0.562 inches
  • Thready (tpi):
    28
  • Min. (psi):
    125000 pounds per square inch
  • Material Specification:
    Ams5662 assn standard single material response
  • Surface Specification:
    Qq-p-35 federal specification single treatment response
  • Schedule B Code:
    7508900000

Classification

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

Definition Close Tolerance Screw

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 Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
Concept No.:
App. Key:
SS
Cond. Code:
1
Status:
A

Part Materials

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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

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