703-2298071 PIE
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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.
3a thread class, 0.595 inches minimum and 0.625 inches maximum thread length, flat chamfer head style, right-hand thread direction, 1.600 inches minimum and 1.620 inches maximum 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.595 inches minimum and 0.625 inches maximum
- Fastener Length
- 1.600 inches minimum and 1.620 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.729 inches minimum and 0.750 inches maximum
- Head Height
- 0.302 inches minimum and 0.312 inches maximum
- Shoulder Diameter
- 0.496 inches minimum and 0.498 inches maximum first shoulder
- Shoulder Length
- 0.995 inches minimum and 1.005 inches maximum first shoulder
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.375 inches
- Width Across Flats
- 0.250 inches nominal
- Thread Quantity Per Inch
- 16
- Minimum Tensile Strength
- 140000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Shoulder Shape
- round first shoulder
- Material
- steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 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
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-637-0310 | No Name Available | 11/07/1969 |
| 5305-01-241-2652 | No Name Available | 05/01/1992 |
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 |
|---|---|
| 12Z1160-7 | Shoulder Screw |
| 703-2298071 PIE | Shoulder Screw |
| MS51975-29 | Shoulder Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-939-0660?
Does the NSN 5305-00-939-0660 have a Schedule B code assigned?
Does NSN 5305-00-939-0660 require demilitarization?
Does NSN 5305-00-939-0660 contain precious materials?
Does NSN 5305-00-939-0660 contain hazardous materials?
When the NSN 5305-00-939-0660 was assigned to the Federal Catalog?
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