NSN 5305-01-478-9446
High Torque Screw
Between 2.845 inches and 2.875 inches fastener length, flat countersunk head style, 0.959 inches head diameter, grip diameter: between 0.4985 inches and 0.4995 inches .
Manufacturer part number NAS1978C34 for national stock number 5305014789446.
Datasheet
-
Product description
Close Tolerance Screw NSN 5305-01-478-9446.
-
MPN or Model
NAS1978C34
-
Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.735 inches -
Fastener Length
Between 2.845 inches and 2.875 inches -
Head Style
Flat countersunk -
Head Diameter
0.959 inches -
Grip Diameter
Between 0.4985 inches and 0.4995 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.500 inches -
Grip Length
Between 2.115 inches and 2.135 inches -
Thready Qty Per Inch (tpi)
20 -
Min. Tensile Strength (psi)
180000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Material
Iron alloy 660 -
Material Specification
Ams 5731 assn standard single material response or ams 5737 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment response -
Thread Series Designator
Unjf -
Specification Data
80205-nas1978 professional/industrial association standard
More from these suppliers
- 5975-01-615-9827 MPN 82-2830988-1Electronic Equipment Mounting Tray
- 5305-00-005-0629 MPN NAS1190E04P6LSocket Head Cap Screw
- 5305-00-007-1558 MPN NAS1100C04-14PMachine Screw
- 5305-00-057-0489 MPN MS24694S2Machine Screw
- 5305-00-057-7183 MPN NAS1351-3-10Socket Head Cap Screw
- 5305-00-071-2226 MPN MS35202-60Machine Screw
- 5305-00-104-2813 MPN NAS1352-8LE36PSocket Head Cap Screw
- 5305-00-141-3869 MPN NAS1352C04H6Socket Head Cap 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.
Pricing and Availability
Get a quote for 5305-01-478-9446 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NAS1978C34 | Zf Industrieantriebe Witten Gmbh |
NAS1978C34H | National Aerospace Standards |