NSN 5305-01-275-1187

Part Details | SHOULDER SCREW

5305-01-275-1187 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: NAS129853, NAS1298-5-3, 5305-01-275-1187, 01-275-1187, 5305012751187, 012751187

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 17, 198801-275-118722846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-275-1187
Part Number Cage Code Manufacturer
NAS1298-5-380205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-275-1187
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.478 INCHES MINIMUM AND 0.528 INCHES MAXIMUM
FASTENER LENGTH0.686 INCHES MINIMUM AND 0.726 INCHES MAXIMUM
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.671 INCHES MINIMUM AND 0.709 INCHES MAXIMUM
HEAD HEIGHT0.191 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
SPECIFICATION/STANDARD DATA80205-NAS1298 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD