We've received your request for 321861 63 (described as Screw Externally Re), manufactured by Fiar Fabbrica Italiana with CAGE code A0072. This part is registered under NSN 5305-01-373-1636, classified in FSG 53 Hardware and Abrasives / FSC 5305 Screws. Our verification process will confirm traceability through supporting identifiers including NIIN 01-373-1636, NCB code 01 (origin: USA), and INC 01852. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your 321861 63 requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
How to Begin the Quotation Process
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-373-1636 Item PartTypeName: SCREW,EXTERNALLY RELIEVED BODY | 5305 | 013731636 | N | |||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | ||||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 321861-63 | 5 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.250 INCHES NOMINAL |
| AASK | HEAD STYLE | PAN |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| AAWC | FIRST DIAMETER FROM HEAD | 0.154 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| AASU | HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| End Use : 12110 | Iron and steel products, other |
|---|---|
| Schedule B : 7318152000 (NAICS 332722) | Bolts and bolts and their nuts or washers exported in the same shipment |
| SITC : 69421 | Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel |
| CRITL | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
|---|---|
| HMIC | N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials. |
| PMIC | U - Precious metal content is unknown |
![]() |
AS9120B and ISO 9001:2015 |
![]() |
Aviation Suppliers Association Member |
![]() |
FAA AC 0056B Accredited |
![]() |
AS 6081:2012 Certification |
![]() |
ESD S20.20-2014 Certification |
Don’t forget That We offer 24/7 Service, Competitive Prices, and Fast Deliveries. We Hope You'll Make Us Your One-Stop Purchasing Solution!
Request for Quote