Part Details | CLOSE TOLERANCE SCREW
5305-00-492-0317 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: 9742291, 974229-1, 9742291, 974229-1, 5305-00-492-0317, 00-492-0317, 5305004920317, 004920317
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 17, 1972 | 00-492-0317 | 29294 ( SCREW, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
Cross Reference | NSN 5305-00-492-0317
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 974229-1 | 99193 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
| 974229-1 | 59364 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
Technical Data | NSN 5305-00-492-0317
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM |
| FASTENER LENGTH | 1.070 INCHES MINIMUM AND 1.090 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON COUNTERSUNK |
| HEAD HEIGHT | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL |
| COUNTERSINK ANGLE | 58.0 DEGREES MINIMUM AND 60.0 DEGREES MAXIMUM |
| GRIP LENGTH | 0.542 INCHES NOMINAL |
| GRIP DIAMETER | 0.1604 INCHES MINIMUM AND 0.1607 INCHES MAXIMUM |
| SPECIAL FEATURES | RELIEF GROOVE UNDER HEAD 0.040 IN. MAX LG BY 0.151 IN. NOM DIA |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |