5305-01-447-7941
Find complete technical information, availability, and procurement data for: 5305-01-447-7941
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A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.
right-hand thread direction, flat countersunk head style, 0.403 inches maximum thread length, 1.263 inches minimum and 1.293 inches maximum fastener length, 3a thread class
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
- 0.403 inches maximum
- Fastener Length
- 1.263 inches minimum and 1.293 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.3504 inches minimum and 0.3988 inches maximum
- Grip Diameter
- 0.2646 inches minimum and 0.2651 inches maximum
- Internal Drive Style
- offset cruciform (torque set)
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.865 inches minimum and 0.885 inches maximum
- Nonstandard Thread Pitch Diameter
- +0.2036 to 0.2500 inches
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- steel comp 4140 or steel comp 4340 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
- qq-p-416 type 2 class 2 fed spec all treatment responses overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas1581 professional/industrial association standard
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 |
|---|---|
| NAS1581F4T14X | Close Tolerance Screw |
FAQs
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