5305-00-837-8455
Find complete technical information, availability, and procurement data for: 5305-00-837-8455
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A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.
3a thread class, 1.140 inches minimum and 1.187 inches maximum fastener length, flat countersunk head style, 0.371 inches minimum and 0.509 inches maximum 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
- 0.371 inches minimum and 0.509 inches maximum
- Fastener Length
- 1.140 inches minimum and 1.187 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.502 inches minimum and 0.507 inches maximum
- Shoulder Diameter
- 0.280 inches minimum and 0.281 inches maximum first shoulder
- Shoulder Length
- 0.583 inches minimum and 0.605 inches maximum first shoulder
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Countersink Angle
- 100.0 degrees nominal
- Shoulder Shape
- round first shoulder
- Material
- steel comp e4340 or steel comp 4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4140 or steel comp 4037 or steel comp 4130 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec single treatment response overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-846-5282 | No Name Available | 06/01/2007 |
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 |
|---|---|
| NAS1604-11 | Shoulder Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-837-8455?
Does the NSN 5305-00-837-8455 have a Schedule B code assigned?
Does NSN 5305-00-837-8455 require demilitarization?
Does NSN 5305-00-837-8455 contain precious materials?
Does NSN 5305-00-837-8455 contain hazardous materials?
When the NSN 5305-00-837-8455 was assigned to the Federal Catalog?
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