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Close Tolerance Screw

Model NAS1994-9DT

Quick Information about NAS1994-9DT

3a thread class, right-hand , 0.425 inches thread length, 0.972 inches fastener length, flat countersunk head style, 0.248 inches grip diameter

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

Product Details

  • NSN:
    5305-01-652-8608 (5305016528608)
  • Thread Direction:
    Right-hand
  • Thread Length:
    0.425 inches
  • Fastener Length:
    Between 0.972 inches and 1.002 inches
  • Head Style:
    Flat countersunk
  • Grip Diameter:
    Between 0.248 inches and 0.249 inches
  • Internal Style:
    High-torque
  • End Application:
    Various c5
  • Thread Diameter:
    0.250 inches
  • Grip Length:
    Between 0.552 inches and 0.572 inches
  • Thready (tpi):
    28
  • Countersink Angle:
    100.0 degrees
  • Part Agency:
    Bolt flat reduced head
  • Schedule B Code:
    7318152000

Classification

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

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:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
87.0 X 17.0 X 11.0
Paclk Weight:
--
Item Weight:
38.0000lbs
Item Dim:
080001000040
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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