Thank you for your interest in part number 51B581-4-11H, a component manufactured by Erwood Inc that we sell here on NSN Parts Finder. For your reference, this item is presented with the NSN 5305-00-766-5306 and features the description “Screw Close Tolerance.” To request a quote for part number 51B581-4-11H, simply fill out the form below with key details like your budget, required quantity, and anticipated fulfillment timeline. Within 15 minutes of receiving and reviewing your submission, our staff members will present you with competitive purchasing options tailored to your needs. Alternatively, you are also welcome to give us a call or email, and we will gladly guide you through the quotation process or discuss any custom solutions you happen to be seeking.
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With a global supply chain and ample purchasing power, we can provide highly competitive pricing and swift lead times on numerous NSN 5305-00-766-5306 products. More than that, we exclusively procure our inventory from reliable manufacturers to guarantee quality, including this component from Erwood Inc, which is associated with the CAGECode 08254. Keeping this in mind, get in touch with our specialists today to secure a quote on the FSC 5305 Screws part number 51B581-4-11H.
| 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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