5305-01-539-6552
Find complete technical information, availability, and procurement data for: 5305-01-539-6552
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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.
fillister countersunk head style, 3a thread class, 0.906 inches nominal fastener length, 0.469 inches nominal thread length, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.469 inches nominal
- Fastener Length
- 0.906 inches nominal
- Head Style
- fillister countersunk
- Head Diameter
- 0.389 inches minimum and 0.394 inches maximum
- Head Height
- 0.070 inches minimum and 0.074 inches maximum
- Grip Diameter
- 0.248 inches minimum and 0.249 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.437 inches nominal
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 125000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Part Name Assigned By Controlling Agency
- screw-close tolerance 100 deg countersunk reduced head, hi-torque, non magnetic cres, ivd aluminum coated
- Special Features
- lubricant - cetyl alcohol
- Material
- nickel alloy 718 overall
- Material Document And Classification
- ams 5662 national std/spec single material response overall
- Surface Treatment
- aluminum overall
- Surface Treatment Document And Classification
- mil-dtl-83488 ty 2 cls 3 national std/spec single treatment response overall
- Thread Series Designator
- unjf
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 3M927-4L7 | Close Tolerance Screw |
| HT4069-4-7A | Close Tolerance Screw |
FAQs
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