Maintenance Parts Pro is pleased to offer procurement options for Erwood Inc part number 51B581-4-11H, a Screw Close Tolerance product we carry that is listed with the NSN 5305-00-766-5306 for seamless identification. As this item is available for purchase today, be sure to fill out and submit the Request for Quote (RFQ) form on this page if you are interested in obtaining pricing information. All that we ask is that you share details like your budget, desired quantity, and expected fulfillment speed so that we can respond with the most fitting solutions for your comparisons.
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Alongside streamlined quotation processes, we aim to support our customers by providing as much relevant listing information and data with product offerings as possible. For example, part number 51B581-4-11H specifically traces back to Erwood Inc through CAGE Code 08254, as well as belongs to the FSC [FSC] as per its NSN of 5305-00-766-5306. Referencing such details, you can locate and procure exact specifications with ease. With our various practices in mind, do not hesitate to request a quote on part number 51B581-4-11H using our provided form.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-00-766-5306 Item PartTypeName: SCREW,CLOSE TOLERANCE | 5305 | 007665306 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 51B581-4-11H | C | 2 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.316 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.978 INCHES MINIMUM AND 0.983 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD | THREAD CLASS | 3A |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| 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 | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.862 INCHES MINIMUM FIRST HOLE AND 0.867 INCHES MAXIMUM FIRST HOLE |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
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