NSN 5305-01-412-7539
High Torque Screw
Between 1.721 inches and 1.768 inches fastener length, flat countersunk head style, between 0.464 inches and 0.507 inches head diameter, grip diameter: between 0.2681 inches and 0.2807 inches .
Manufacturer part number PBF1475-4-21 for national stock number 5305014127539.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-412-7539.
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MPN or Model
PBF1475-4-21
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Schedule B
7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.425 inches -
Fastener Length
Between 1.721 inches and 1.768 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.464 inches and 0.507 inches -
Grip Diameter
Between 0.2681 inches and 0.2807 inches -
Internal Drive Style
Torque-set ribbed -
Thread Diameter
0.250 inches -
Grip Length
Between 1.302 inches and 1.322 inches -
Thready Qty Per Inch (tpi)
28 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Surface Finish
32.0 microinches threads -
Part Name Assigned By Controlling Agency
Navy special project -
Material
Nickel alloy 718 -
Material Specification
Ams 5662 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment response -
Thread Series Designator
Unjf
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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 5305-01-412-7539 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
PBF1475-4-21 | Sps Technologies, Llc |
GB510FG4-21 | Northrop Grumman Systems Corporation |
VCL0009-4-21 | Valley-todeco, Inc. |
124379-4-21 | Sps Technologies, Llc |