Item Name | Screw Close Toleran |
Federal Supply Group (FSG) | Hardware and Abrasives |
Federal Supply Class (FSC) | 5305 Screws |
National Item Identification Number (NIIN) | 01-220-8681 (012208681) |
Part Number | Manufacturer | Item Name | RFQ |
---|---|---|---|
NAS1581C4R4 | national aerospace standards | screw close toleran | RFQ |
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 | 0.638 INCHES MINIMUM AND 0.668 INCHES MAXIMUM |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
AASL | HEAD DIAMETER | 0.3504 INCHES MINIMUM AND 0.3988 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 | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 28 |
CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
FEAT | SPECIAL FEATURES | INTERNAL DRIVE RIBBED |
MATT | MATERIAL | IRON ALLOY 660 OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNJF |
ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1581 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
Relevant Components for NSN - 5305-01-220-8681, 5305012208681 | ||||
5305-00-000-0094 (5305000000094) | 5305-00-001-1366 (5305000011366) | 5305-00-001-1367 (5305000011367) | 5305-00-001-1568 (5305000011568) | |
5305-00-001-1569 (5305000011569) | 5305-00-001-1837 (5305000011837) | 5305-00-001-1918 (5305000011918) | 5305-00-001-1926 (5305000011926) | |
5305-00-001-1948 (5305000011948) | 5305-00-001-1963 (5305000011963) | 5305-00-001-2011 (5305000012011) | 5305-00-001-2012 (5305000012012) | |
AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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