5305-00-637-5470
Find complete technical information, availability, and procurement data for: 5305-00-637-5470
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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. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.
2a thread class, 0.125 inches minimum thread length, right-hand thread direction, flat chamfer head style, 0.312 inches nominal fastener length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.125 inches minimum
- Fastener Length
- 0.312 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.312 inches nominal
- Head Height
- 0.062 inches nominal
- Shoulder Diameter
- 0.188 inches nominal first shoulder
- Shoulder Length
- 0.062 inches nominal first shoulder
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.138 inches
- Thread Quantity Per Inch
- 40
- Shoulder Shape
- round first shoulder
- Material
- steel overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty2 cl3 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-370-0539 | No Name Available | 01/01/1960 |
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 |
|---|---|
| 150646 | Shoulder Screw |
FAQs
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Does NSN 5305-00-637-5470 require demilitarization?
Does NSN 5305-00-637-5470 contain precious materials?
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When the NSN 5305-00-637-5470 was assigned to the Federal Catalog?
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