5305-01-381-9831
Find complete technical information, availability, and procurement data for: 5305-01-381-9831
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A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).
0.675 inches nominal thread length, 1.722 inches minimum and 1.752 inches maximum fastener length, flat countersunk head style, 3a thread class, 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
- 0.675 inches nominal
- Fastener Length
- 1.722 inches minimum and 1.752 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.826 inches minimum and 0.888 inches maximum
- Grip Diameter
- 0.4360 inches minimum and 0.4370 inches maximum
- Internal Drive Style
- offset cruciform (torque set)
- Nominal Thread Diameter
- 0.437 inches
- Grip Length
- 1.052 inches minimum and 1.072 inches maximum
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 180000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- steel comp 4140 and steel comp e4340 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qqq-p-416 ty2 cl2 fed spec single treatment response overall
- Thread Series Designator
- unjf
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| Part Number | Name |
|---|---|
| NAS1580A7T17 | Close Tolerance Screw |
FAQs
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When the NSN 5305-01-381-9831 was assigned to the Federal Catalog?
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