Part Details | MACHINE SCREW
5305-01-238-4554 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Alternate Parts: D7916396A, D791639-6-A, D7916396A, D791639-6-A, CF0163002, CF0163-002, 5305-01-238-4554, 01-238-4554, 5305012384554, 012384554
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | AUG 14, 1986 | 01-238-4554 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
RECESSED TYPE I
Cross Reference | NSN 5305-01-238-4554
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| D791639-6-A | 0HDW7 | HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND |
| D791639-6-A | 97928 | HUCK INTL INC |
| CF0163-002 | 22915 | NORTHROP GRUMMAN CORPELECTRONIC SYSTEMS DEFENSIVE SYSTEM |
Technical Data | NSN 5305-01-238-4554
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.216 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.125 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| FASTENER LENGTH | 0.312 INCHES NOMINAL |
| SCREW MATERIAL | STEEL COMP 303 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | RECESSED TYPE I |
| SPECIAL FEATURES | 0.140 INCH DIA HOLE ALONG THE LONGITUDINAL CENTERLINE |