Defence NSN Source is a one-stop shop for Screw Close Tolerance components and other similar products that meet the needs of our customer base. You have taken a specific interest in part number 51B581-4-1, a Northrop Grumman Corporation offering we carry that is listed alongside the NSN 5305-01-016-9638 to streamline identification and procurement. If you fill out and submit the Request for Quote (RFQ) form located below, you can secure pricing options for your comparisons. Within 15 minutes of one of our team members receiving and reviewing your submission, you can anticipate a customized response.
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We strive to make the procurement process more straightforward and efficient by offering comprehensive details for listed components whenever possible. For instance, part number 51B581-4-1 was manufactured by Northrop Grumman Corporation under the CAGECode 22915. Moreover, by using the first digits of the NSN 5305-01-016-9638, we can see that this product belongs to FSC 5305 Screws. Utilizing such information, you can ensure that you are securing precisely what you need to carry out operations or meet your project requirements. Keeping this in mind, obtain a quote on part number 51B581-4-1 with our online services.
| 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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