Part Details | SHOULDER SCREW
5305-01-025-4374 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
Alternate Parts: AC129436, 12705L5C24, 12705L-5C-24, AC129436, 12705L5C24, 12705L-5C-24, AC129436, AC331336, AC-3313-36, 12705L5C24, AC331336, AC-331336, 5305-01-025-4374, 01-025-4374, 5305010254374, 010254374
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | AUG 02, 1976 | 01-025-4374 | 22846 ( SCREW, SHOULDER ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
HEXAGON
Cross Reference | NSN 5305-01-025-4374
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AC129436 | 8L513 | AIR INDUSTRIES MACHINING, CORP. |
| 12705L-5C-24 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| AC129436 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| 12705L-5C-24 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
| AC129436 | 52861 | TLT-BABCOCK, INC. |
| AC-3313-36 | 52861 | TLT-BABCOCK, INC. |
| 12705L5C24 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| AC-331336 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
Technical Data | NSN 5305-01-025-4374
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNRC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.342 INCHES MINIMUM AND 0.362 INCHES MAXIMUM |
| FASTENER LENGTH | 1.914 INCHES MINIMUM AND 1.940 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.213 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.156 INCHES MAXIMUM |
| SPECIAL FEATURES | STRIP TYPE LOCKING ELEMENT ON THREADS |