Part Details | CLOSE TOLERANCE SCREW
5305-01-166-6661 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: CA21062081014, CA21062-08-10-14, 5305-01-166-6661, 01-166-6661, 5305011666661, 011666661
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 16, 1983 | 01-166-6661 | 29294 ( SCREW, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-166-6661
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| CA21062-08-10-14 | 29372 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
Technical Data | NSN 5305-01-166-6661
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.463 INCHES NOMINAL |
| FASTENER LENGTH | 0.875 INCHES NOMINAL |
| HEAD STYLE | 2 DISHED HEXAGON |
| HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| GRIP LENGTH | 0.312 INCHES NOMINAL |
| GRIP DIAMETER | 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
| SPECIAL FEATURES | TWO KEYWAYS ALONG THREADS 180 DEG APART,LENGTH OF KEYWAY 0.795 IN. NOM.CHAMFER DOG POINT 0.116 INCH.MIN,0.121 INCH. MAX WIDE AND 0.100 INCH. LONG |