Thank you for taking an interest in the various military and defense parts, aerospace parts, and other items that we offer. You have reached the RFQ page for part number 51B581-4-1, a Northrop Grumman Systems Corporation item with the NSN 5305010169638 that is listed alongside the description “Screw Close Tolerance.” If you are interested in part number 51B581-4-1 and wish to learn more about your purchasing options, be sure to submit the form below at your earliest convenience while supplying us with important information concerning your needs and restrictions alike. Once we have a chance to receive and review your completed form, a member of our staff will reach out to you in 15 minutes or less to present a tailored solution for your comparisons.
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To ensure that shopping with us is as simple as possible, we make it easy to identify and procure exact items by listing parts alongside all applicable designations and information. For example, part number 51B581-4-1 is specifically listed with the NSN 5305-01-016-9638, and this code can be used to determine that it falls under FSC 5305 Screws. Additionally, while tracing back to Northrop Grumman Systems Corporation, this NSN part was specifically produced under CAGE Code 76823. With our services and dedication to simple procurement in mind, get started with us today!
NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
---|---|---|---|---|---|---|
5305-01-016-9638 Item PartTypeName: SCREW,CLOSE TOLERANCE | 5305 | 010169638 | 0 | N | ||
CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
U | U | |||||
Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
51B581-4-1 | 2 | 9 | 5 |
MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.290 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 0.362 INCHES MINIMUM AND 0.409 INCHES MAXIMUM |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
AASL | HEAD DIAMETER | 0.389 INCHES MINIMUM AND 0.394 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 | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 28 |
CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
MATT | MATERIAL | STEEL COMP 4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL 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 |
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