Thank you for taking an interest in our selection of 5305-01-246-0611 parts here on Boost AOG. You are currently on the RFQ form for part number NAS1578C4R20, a National Aerospace Standards Com product listed with the Screw Close Tolerance If part number NAS1578C4R20 catches your eye, be sure to use our online RFQ service to request quotes, with customized responses provided within 15 minutes of us receiving and reviewing a completed submission.
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To ensure the quality of our NSN components, we adhere to a strict NO CHINA SOURCING pledge, meaning every purchased item will be delivered alongside any pertinent qualifying certifications or manufacturing trace documentation for your benefit. Paired with numerous other commitments, we proudly operate with AS9120B, ISO 9001:2015, and FAA AC 00-56B accreditation. If you happen to be facing a time constraint and require NSN parts quickly, contact us at your earliest convenience, and we will discuss the expedited shipping options we have available for domestic and international customers alike. With our various dedications in mind, kick off procurement for National Aerospace Standards Com part number NAS1578C4R20 and other Screw Close Tolerance products today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-246-0611 Item PartTypeName: SCREW,CLOSE TOLERANCE | 5305 | 012460611 | 0 | N | A | |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | A | 0 | |||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| NAS1578C4R20 | 5 | 1 | C | Z |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.638 INCHES MINIMUM AND 1.668 INCHES MAXIMUM |
| AASK | HEAD STYLE | PAN NO. 2 |
| AASL | HEAD DIAMETER | 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| FEAT | SPECIAL FEATURES | INTERNAL DRIVE RIBBED |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1578 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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