| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-160-3955 (011603955) |
| NCB Code | USA (01) |
| Manufacturer | General Motors Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 33.0 MILLIMETERS MINIMUM AND 36.0 MILLIMETERS MAXIMUM |
| AASB | FASTENER LENGTH | 49.00 MILLIMETERS MINIMUM AND 52.00 MILLIMETERS MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 18.17 MILLIMETERS MINIMUM AND 18.30 MILLIMETERS MAXIMUM |
| AASU | HEAD HEIGHT | 3.87 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM |
| AATN | SHOULDER DIAMETER | 12.09 MILLIMETERS MINIMUM FIRST SHOULDER AND 12.19 MILLIMETERS MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 15.00 MILLIMETERS NOMINAL FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 10.0 MILLIMETERS |
| CQFM | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.5 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 1039 OVERALL OR STEEL COMP 4037 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 4435-M CODE A MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | M |
| Relevant Components for NSN - 5305-01-160-3955, 5305011603955 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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