NSN 5305-00-638-2530

Part Details | MACHINE SCREW

5305-00-638-2530 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: RA9684, 5305-00-638-2530, 00-638-2530, 5305006382530, 006382530

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-253006657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

ROUND

Cross Reference | NSN 5305-00-638-2530
Part Number Cage Code Manufacturer
RA968451663CRANE CO.DBA LEAR ROMEC
Technical Data | NSN 5305-00-638-2530
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.328 INCHES MAXIMUM
FASTENER LENGTH0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
SCREW MATERIAL7$DAL2024
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONBQQ-A-225 TO 5$CQQ-A-225 TO 6 1ST MATERIAL RESPONSE
SCREW SURFACE TREATMENT ANODIZE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
HEAD STYLE3 DISHED HEXAGON
HEAD DIAMETER0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HEAD HEIGHT0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
HEAD HOLE CONFIGURATION STYLE ROUND
HOLE QUANTITY1
HOLE DIAMETER0.047 INCHES NOMINAL