Part Details | MACHINE SCREW
5305-01-172-5923 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Alternate Parts: 264277401 ITEM 31, 2642-774-01 ITEM 31, 8454558737 ITEM 31, 845-4558737 ITEM 31, 5811UNC3A X 2 38SELFLOCKI, 5/8-11UNC-3A X 2 3/8SELF-LOCKI, 5811UNC3A X 2 38 INCHES, 5/8-11UNC-3A X 2 3/8 INCHES, QQN286, GRADE 500, QQ-N-286, GRADE 500, FFS86, TYPE VI SELFLOCKING, FF-S-86, TYPE VI SELF-LOCKING, FFS86 TYPE VI QQN286 GR500, FF-S-86 TYPE VI QQ-N-286 GR500, 8454558737 ITEM 31L1, 845-4558737 ITEM 31L1, 5811UNC3A X 2 38SELFLOCKIL1, 5/8-11UNC-3A X 2 3/8SELF-LOCKIL1, 5811UNC3A X 2 38 INCHESL1, 5/8-11UNC-3A X 2 3/8 INCHESL1, 264277401 ITEM 31L1, 2642-774-01 ITEM 31L1, QQN286, GRADE 500L1, QQ-N-286, GRADE 500L1, FFS86, TYPE VI SELFLOCKINGL1, FF-S-86, TYPE VI SELF-LOCKINGL1, FFS86 TYPE VI QQN286 GR500L1, FF-S-86 TYPE VI QQ-N-286 GR500L1, 8454558737 ITEM 31, 845-4558737 ITEM 31, 264277401 ITEM 31, 2642-774-01 ITEM 31, 5305-01-172-5923, 01-172-5923, 5305011725923, 011725923
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 22, 1984 | 01-172-5923 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5305-01-172-5923
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2642-774-01 ITEM 31 | 96169 | ELECTRIC BOAT CORPORATION |
| 845-4558737 ITEM 31 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 5/8-11UNC-3A X 2 3/8SELF-LOCKI | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 5/8-11UNC-3A X 2 3/8 INCHES | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| QQ-N-286, GRADE 500 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| FF-S-86, TYPE VI SELF-LOCKING | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| FF-S-86 TYPE VI QQ-N-286 GR500 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 845-4558737 ITEM 31L1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 5/8-11UNC-3A X 2 3/8SELF-LOCKIL1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 5/8-11UNC-3A X 2 3/8 INCHESL1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 2642-774-01 ITEM 31L1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| QQ-N-286, GRADE 500L1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| FF-S-86, TYPE VI SELF-LOCKINGL1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| FF-S-86 TYPE VI QQ-N-286 GR500L1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 845-4558737 ITEM 31 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 2642-774-01 ITEM 31 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 5305-01-172-5923
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 11 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.375 INCHES NOMINAL |
| FASTENER LENGTH | 2.600 INCHES NOMINAL |
| SCREW MATERIAL | NICKEL ALLOY |
| DEPARTURE FROM CITED DESIGNATOR | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| CRITICALITY CODE JUSTIFICATION | ZZZX |
