We appreciate your interest in our selection of parts that fall under the NSN 5305-00-766-5306. Below, top-requested part numbers like 51B581-4-11H, and others are presented alongside their manufacturer for your perusal. In order to receive pricing options on any featured NSN 5305-00-766-5306, simply click on the “RFQ” button next to it and complete the quote request form you are directed to. Be sure to include as many details as you can about your requirements and restrictions alike so our team can best formulate ideal fulfillment options for your consideration.
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| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-766-5306 (007665306) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Technical Services Inc, Alcoa Global Fasteners Inc, Sps Technologies Inc, Northrop Grumman Systems Corporation, Lisi Aerospace Canada Corp, Hi Shear Corporation, Erwood Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 51B581-4-11H | northrop grumman technical services inc | screw close tolerance | RFQ |
| 51B581-4-11H | alcoa global fasteners inc | screw close tolerance | RFQ |
| 51B581-4-11H | sps technologies inc | screw close tolerance | RFQ |
| 51B581-4-11H | northrop grumman systems corporation | screw close tolerance | RFQ |
| 51B581-4-11H | lisi aerospace canada corp | screw close tolerance | RFQ |
| 51B581-4-11H | hi shear corporation | screw close tolerance | RFQ |
| 51B581-4-11H | erwood inc | screw close tolerance | RFQ |
| 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 |
| Relevant Components for NSN - 5305-00-766-5306, 5305007665306 | ||||
| 5330-00-240-3724 (5330002403724) | 5306-01-120-9409 (5306011209409) | 5340-00-938-5640 (5340009385640) | 5340-01-570-1882 (5340015701882) | |
| 5315-00-830-7054 (5315008307054) | 5320-00-839-9469 (5320008399469) | 5325-01-526-5359 (5325015265359) | 5340-01-470-8552 (5340014708552) | |
| 5320-01-054-2610 (5320010542610) | 5330-01-032-3150 (5330010323150) | 5340-00-081-6170 (5340000816170) | 5306-01-510-1941 (5306015101941) | |
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