5305-01-260-8940
Find complete technical information, availability, and procurement data for: 5305-01-260-8940
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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.
3a thread class, flat countersunk head style, 0.574 inches minimum and 0.624 inches maximum thread length, 1.334 inches minimum and 1.364 inches maximum fastener 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
- 0.574 inches minimum and 0.624 inches maximum
- Fastener Length
- 1.334 inches minimum and 1.364 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.826 inches minimum and 0.888 inches maximum
- Grip Diameter
- 0.436 inches minimum and 0.437 inches maximum
- Internal Drive Style
- offset cruciform (torque set)
- Nominal Thread Diameter
- 0.438 inches
- Grip Length
- 0.740 inches minimum and 0.760 inches maximum
- Thread Quantity Per Inch
- 20
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- steel comp xm-13 overall
- Material Document And Classification
- ams5629 assn std single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unjf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-01-172-7098 | No Name Available | 04/01/1992 |
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 |
|---|---|
| LD111-0044-0712 | Close Tolerance Screw |
FAQs
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Does NSN 5305-01-260-8940 require demilitarization?
Does NSN 5305-01-260-8940 contain precious materials?
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When the NSN 5305-01-260-8940 was assigned to the Federal Catalog?
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