NSN 5305-00-508-2718

Part Details | SHOULDER SCREW

5305-00-508-2718 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: B19908, B1990-8, HP6551C3708, HP6551C3-708, BM190693708, BM19069-3-708, GS551C3708, GS551C3-708, PIL551C3708, PIL551C3-708, A1C551C3708, A1C551C3-708, AIC551C3708, AIC551C3-708, PBF12853708, PBF1285-3-708, 5305-00-508-2718, 00-508-2718, 5305005082718, 005082718

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-508-271822846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-508-2718
Part Number Cage Code Manufacturer
B1990-825472GOODRICH CORPORATION
HP6551C3-7080ZC92HEARTLAND PRECISION FASTENERS, INC.
BM19069-3-70817446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
GS551C3-70826512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
PIL551C3-70847253PILGRIM SCREW CORPORATION
A1C551C3-70806725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
AIC551C3-70806725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1285-3-70827624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-00-508-2718
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.288 INCHES MINIMUM AND 0.348 INCHES MAXIMUM
FASTENER LENGTH0.953 INCHES MINIMUM AND 0.983 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.266 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
SPECIAL FEATURES2 THDS TAPERED