NSN 5305-00-151-8658
Part Details | CLOSE TOLERANCE SCREW
5305-00-151-8658 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Alternate Parts: 2R18631, 2R1863-1, 2R146510, 2R1465-10, GS551P4741, GS551P4-741, HP6551P4741, HP6551P4-741, GS551P741, GS551P-741, BM190704741, BM19070-4-741, BM190704741, BM19070-4-741, BM190494741, BM19049-4-741, GS551P4741, GS551P4-741, PBF1286741, PBF1286-741, 5305-00-151-8658, 00-151-8658, 5305001518658, 001518658
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | NOV 13, 1970 | 00-151-8658 | 29294 ( SCREW, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-151-8658
Part Number | Cage Code | Manufacturer |
---|---|---|
2R1863-1 | 03481 | BFGOODRICH CO THEAEROSPACE DIV |
2R1465-10 | 03481 | BFGOODRICH CO THEAEROSPACE DIV |
GS551P4-741 | 02692 | DOLLY MFG CORP |
HP6551P4-741 | 02692 | DOLLY MFG CORP |
GS551P-741 | 0ZC92 | HEARTLAND PRECISION FASTENERS, INC. |
BM19070-4-741 | 17446 | HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND |
BM19070-4-741 | 97928 | HUCK INTL INC |
BM19049-4-741 | 97928 | HUCK INTL INC |
GS551P4-741 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
PBF1286-741 | 27624 | SPS TECHNOLOGIES, LLCDBA PB FASTENERS |
Technical Data | NSN 5305-00-151-8658
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.329 INCHES MINIMUM AND 0.389 INCHES MAXIMUM |
FASTENER LENGTH | 1.024 INCHES MINIMUM AND 1.054 INCHES MAXIMUM |
MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
HEAD STYLE | 0 HEXAGON COUNTERSUNK |
HEAD DIAMETER | 0.357 INCHES NOMINAL |
COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
GRIP LENGTH | 0.665 INCHES MINIMUM AND 0.695 INCHES MAXIMUM |
GRIP DIAMETER | 0.2540 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM |
SPECIAL FEATURES | COLOR TAN,SURFACE OF HEAD |
END ITEM IDENTIFICATION | W/S: AIRCRAFT, PROWLER EA-6B |