Whether you are in need of military aviation parts, NSN components, or various forms of aerospace and defense parts, Aerospace Store is a single-sourcing solution with over 2 billion product listings readily available for purchase at any time with competitive pricing. You have reached the Request for Quote (RFQ) page for part number 4431, a Precision Industrial Components component we feature that is listed with the NSN 5305011482651 and item name “Screw Shoulder.” For further identification, part number 4431 was also specifically produced under CAGE Code 00141 and belongs to Federal Supply Class (FSC) 5305 Screws. If you would like to receive specific options for procurement that have been tailored to your unique needs and restrictions alike, we ask that you please fill out and submit the form provided on this page with as much information as you can. Once our team has a chance to receive and review your offered details, a dedicated account manager will be in touch shortly after.
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Items like part number 4431 and others are all readily available with short lead times, and we boast rigorous quality-assurance practices to guarantee the caliber and reliability of every purchase made on our website. Beyond quality, we are fully committed to customer satisfaction, regularly exceeding industry expectations to ensure that we thoroughly and efficiently address every need. If you happen to be facing a time constraint that demands more specialized fulfillment solutions, please give us a call or email at any time to discuss the options we can provide. We are available around the clock and are always happy to assist, so do not hesitate to reach out for part number 4431 and other various items of interest.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-148-2651 Item Description: Screw Shoulder | 5305 | 011482651 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | isc | rnvc | rncc | HCC | MSDS | SADC |
| 4431 | 5 | 1 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.375 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.249 INCHES MINIMUM FIRST SHOULDER AND 0.250 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.500 INCHES MINIMUM FIRST SHOULDER AND 0.502 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL |
| SPCL | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 CLASS 2B FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| TEST | TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION |
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