We’re pleased to announce that part number 20520-H-SS-4.00-12 with NSN 5307013213657 is now available in our ready-to-ship inventory. Manufactured by Accurate Screwmachine Corporation having CAGE Code 51506 under FSC 5307 Studs, 20520-H-SS-4.00-12 part is a Stud Shouldered. Are you interested in a quick quote for 20520-H-SS-4.00-12 part? All you have to do is fill in the RFQ form below with your information, and we will take care of the rest. A dedicated sales representative will respond to your RFQ by email or by phone within 15 minutes of receiving this form.
| Part Number: 20520-H-SS-4.00-12 | NSN: 5307-01-321-3657 (5307013213657) | Item Name: Stud Shouldered | NIIN : 013213657 | |
| CAGE Code: 51506 | FSC: 5307 Studs | FSG: 53 Hardware and Abrasives | Category: NSN | |
| Qty Available: 1101 | Description: Stud Shouldered | Manufacturer: Accurate Screwmachine Corporation | Last Updated: 05-21-2025 | Country: USA |
| NCB Code: 01 | INC Code: 15946 | |||
Your quote will be calculated based on your answers to asterisk-marked (*) fields such as Needs Parts By and Quantity (ea), so be sure to fill them out as best and as thorough as possible. ASAP Aviation Stock, owned and operated by ASAP Semiconductor, is a leading supplier of NSN parts - with more than 2 billion NSNs in stock.
We are an AS9120B, ISO 9001:2015, and FAA 0056B accredited company and have several warehouses full of ready-to-ship parts in key locations across the US and Canada. This allows us to fulfill AOG requirements in a timely manner with ease. Need to meet your requirements ASAP? No problem, we offer same day shipping and next day shipping on qualifying items.
The National Stock Number, also known as NSN, is recognized and utilized as a cataloging system for procuring, stocking, and issuing items by all members of the North Atlantic Treaty Organization (NATO) and the United States’ Department of Defense (DoD). To learn more about 20520-H-SS-4.00-12 part with NSN 5307013213657, call us at our toll-free number +1-714-705-4780, or email us at sales@asapaviationstock.com.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5307-01-321-3657 Item Description: STUD,SHOULDERED | 5307 | 013213657 | 0 | N | A | |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | A | 0 | |||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 20520-H-SS-4.00-12 | 5 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A NUT THREAD |
| AAJD | THREAD CLASS | 2A STUD THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| AASA | THREAD LENGTH | 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM STUD THREAD |
| AASA | THREAD LENGTH | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM NUT THREAD |
| AAVK | SHOULDER LENGTH | 3.188 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.970 INCHES MINIMUM AND 4.030 INCHES MAXIMUM |
| AWTQ | DISTANCE ACROSS FLATS | 0.312 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 32 NUT THREAD |
| CMLP | THREAD QUANTITY PER INCH | 32 STUD THREAD |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES NUT THREAD |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES STUD THREAD |
| CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL COMP 303 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SHOULDERED |
| THSD | THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNF STUD THREAD |
| 2010000011565 | 3010000016187 |
| 1510010879129 | 4010000019590 |
| 5110000122252 | 6010012320400 |
| 7010003227140 | 8150014633182 |
| 1510001240914 | 1510000808414 |
| View All | |
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