Part Details | MACHINE SCREW
5305-00-531-9521 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: N97P5004, FFS92, N97P5004, 8599273042, 8599273-042, 859927042, 859927-042, 8599273042, 8599273-042, 3402200063, 340-220-0063, 3402200063, 340-220-0063, 500768, 5007-68, 5305-00-531-9521, 00-531-9521, 5305005319521, 005319521
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-531-9521 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-531-9521
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| N97P5004 | 89954 | BAE SYSTEMS CONTROLS INC. |
| FFS92 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| N97P5004 | 24446 | GENERAL ELECTRIC COMPANY |
| 8599273-042 | 24617 | GENERAL MOTORS CORP |
| 859927-042 | 24617 | GENERAL MOTORS CORP |
| 8599273-042 | 09691 | L-3 COMMUNICATIONS ELECTRONICSYSTEMS INC |
| 340-220-0063 | 99932 | MOOG INC.DBA MOOG COMPONENTS GROUP |
| 340-220-0063 | 1K426 | MOOG INC.DBA MOOG COMPONENTS GROUP |
| 5007-68 | 26344 | NEW HAVEN MFG CORP |
Technical Data | NSN 5305-00-531-9521
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| THREAD QUANTITY PER INCH | 56 |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.250 INCHES MINIMUM |
| FASTENER LENGTH | 0.250 INCHES NOMINAL |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| HEAD HEIGHT | 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |