National Aerospace Standards - Shoulder Bolt - NAS1297-3-8
Standard Part
Description: Shoulder Bolt
Part Number: NAS1297-3-8
Alternate Part Numbers: 5306PL0894730
Product Overview
An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (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 not designed to be held or driven with an inserted driver. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use a screw, or shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.
Item Specification
| Thread Class | 3A | |
| Thread Direction | Right-hand | |
| Thread Length | 0.342 inches minimum and 0.392 inches maximum | |
| Fastener Length | 0.862 inches minimum and 0.912 inches maximum | |
| Head Style | Hexagon | |
| Head Height | 0.140 inches minimum and 0.172 inches maximum | |
| Width Between Flats | 0.428 inches minimum and 0.440 inches maximum | |
| Shoulder Diameter | 0.246 inches minimum first shoulder and 0.249 inches maximum first shoulder | |
| Shoulder Length | 0.510 inches minimum first shoulder and 0.520 inches maximum first shoulder | |
| Nominal Thread Diameter | 0.190 inches | |
| Thread Quantity per Inch | 32 | |
| Minimum Tensile Strength | 125000 pounds per square inch | |
| Hardness Rating | 26.0 Rockwell C minimum overall and 32.0 Rockwell C maximum overall | |
| Shoulder Shape | Round first shoulder | |
| Material | Steel comp 4140 overall or steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4130 overall or steel comp 4037 overall | |
| Material Document and Classification | MIL-S-5626 mil-spec 1ST material response overall or MIL-S-6049 mil-spec 2ND material response overall or MIL-S-6050 mil-spec 3RD material response overall or MIL-S-6098 mil-spec 4TH material response overall or MIL-S-6758 mil-spec 5TH material response overall or AMS 6300 assn std 6TH material response overall | |
| Surface Treatment | Cadmium overall | |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL3 fed spec single treatment response overall | |
| Thread Series Designator | UNJF | |
| Specification/Standard Data | 80205-NAS1297 professional/industrial association standard |
| Additional info | |
|---|---|
| Colors | Gold |
| Dimensions | |
|---|---|
| Dimensions (W x H x D) | 3.90" x 5.45" x 0.45" inches |
| Length | 5.45" inches |
| Weight | 0.10 lb |
| Specifications | |
|---|---|
| 8130-3 Eligible | No |
| ATA Chapter | 51 ATA Standard Practices and Structures |
| Available Conditions | NE / NS |
| Cage Code | 80205 |
| Country of origin | United States of America |
| ECCN / USML | EAR99 |
| FAA Approval Code | STD |
| Grip | 0.862 inches minimum and 0.912 inches maximum |
| Hazmat Code | Not Applicable |
| Hazmat(Y/N) | N |
| Material | Steel comp 4140 overall or steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4130 overall or steel comp 4037 overall |
| NSN | 5306-00-905-2976 |
| Schedule B | 7318.15.2000 |
| Thread | 3A |
| Total Shelf Life (days) | Not Applicable |
| Type | Bolt |
| Units of Measure (UoM) | Each |
| Brand | National Aerospace Standard. |
| Color | Gold |
| Condition status | Depreciated |