We are pleased to announce that part number 1-4 20X3-4 with NSN 5305000121887 under 5305 Screws, is now ready to ship. Manufactured by Lauson Division under CAGE Code 35211 this part is a; Screw Cap Hexagon H. Are you interested in a quick quote for 1-4 20X3-4 part number? Simply fill out the form below to begin. Your quote will take into account your answers to the fields “Needs Parts By” and “Quantity” in particular. An account manager will respond to your RFQ by email or by phone within 15 minutes of receiving this form.
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Aviation Distribution, owned and operated by ASAP Semiconductor, is a premier supplier of NSN parts, with more than 2 billion NSNs in stock. We are an AS9120B, ISO 9001:2015, and FAA AC 0056B accredited company ready-to-ship parts and prime presence in multiple locations across the US and Canada, we can fulfill your requirements quickly and efficiently. Same day shipping and next day shipping are some of the expert services that we offer.
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.750 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 74000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 2 GRADE |
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