204-040-634-003
View detailed technical data, stock status, and sourcing information for: 204-040-634-003
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
2 external key quantity, 0.506 inches minimum and 0.526 inches maximum hole diameter, 0.980 inches minimum and 1.020 inches maximum overall distance including keys, 0.040 inches minimum and 0.060 inches maximum material thickness, 0.870 inches minimum and 0.890 inches maximum outside diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Hole Diameter
- 0.506 inches minimum and 0.526 inches maximum
- Outside Diameter
- 0.870 inches minimum and 0.890 inches maximum
- Overall Distance Including Keys
- 0.980 inches minimum and 1.020 inches maximum
- External Key Quantity
- 2
- Material Thickness
- 0.040 inches minimum and 0.060 inches maximum
- Minimum Tensile Strength
- 90000 pounds per square inch
- Special Features
- external prebent keys are equally spaced and prebent in opposite directions,first key 0.100 in w,0.060 in. lg,second key 0.025 in. w,0.025 in. lg,hole drilled in second key 0.062 in. dia
- Heat Treatment
- as fabricated
- Material
- steel comp a or steel overall
- Material Document And Classification
- mil-s-18729 mil spec single material response or ams6350 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 1 fed spec single treatment response overall
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 |
|---|---|
| 1560HU1-020 | Key Washer |
| 204-040-634-003 | Key Washer |
| 204-040-634-3 | Key Washer |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-731-8112?
Does the NSN 5310-00-731-8112 have a Schedule B code assigned?
Does NSN 5310-00-731-8112 require demilitarization?
Does NSN 5310-00-731-8112 contain precious materials?
Does NSN 5310-00-731-8112 contain hazardous materials?
When the NSN 5310-00-731-8112 was assigned to the Federal Catalog?
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