Thank you for your interest in Northrop Grumman Technical Services Inc part number 51B581-4-9H, a Screw Close Tolerance item that we offer here on Aerospace Materials Supply. This product is listed with the NSN 5305-00-548-5077, and you can obtain customized procurement solutions on this component from our team members by completing and submitting the form below. For our specialists to best deliver quotes that accommodate your specifications, please be sure we are presented with essential details like your target price, desired quantity, and anticipated fulfillment timeline. Once we have the opportunity to receive and review your submission, we will strive to provide a tailored response for your consideration within 15 minutes or less.
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Besides part number 51B581-4-9H, you may browse our platform further for similar components produced by Northrop Grumman Technical Services Inc under the CAGECode 0JRC1, as well as additional products that are categorized under FSC 5305 Screws. If you have any questions regarding our services or the NSN 5305-00-548-5077 items that we sell, you may always give us a call or email, as we would be delighted to assist you in any way that we can. Otherwise, we encourage you to request a quote for part number 51B581-4-9H at your earliest convenience.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-00-548-5077 Item PartTypeName: SCREW,CLOSE TOLERANCE | 5305 | 005485077 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 51B581-4-9 | 2 | 1 | C | A |
| 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 | 0.862 INCHES MINIMUM AND 0.909 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.552 INCHES MINIMUM AND 0.572 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 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.736 INCHES MINIMUM FIRST HOLE AND 0.803 INCHES MAXIMUM FIRST HOLE |
| 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 |
| ZZZK | SPECIFICATION/STANDARD DATA | 76823-51B581 MANUFACTURERS STANDARD |
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