Part Details | MACHINE SCREW
5305-01-021-2528 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: 1A20806H48, 1A20806H48, 1A20806H48, 645A562H47, 331C201B1032C08, 1A20806H48, SPE314D8, 1A20806H48, 1A20806H48, 5305-01-021-2528, 01-021-2528, 5305010212528, 010212528
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 11, 1976 | 01-021-2528 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-021-2528
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1A20806H48 | 51506 | ACCURATE SCREWMACHINE CORPORATIONDBA A S M |
| 1A20806H48 | 70318 | ALLMETAL SCREW PRODUCTS CORP.DBA ALL METAL SCREW PRODUCTS |
| 1A20806H48 | 32971 | ASI DESIGN & MANUFACTURING, INC.DBA A S I |
| 645A562H47 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS |
| 331C201B1032C08 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS |
| 1A20806H48 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS |
| SPE314D8 | K0378 | ROLLS-ROYCE MILITARY AERO ENGINESLTD |
| 1A20806H48 | 86928 | SEASTROM MANUFACTURING CO., INC.DBA SEASTROM MANUFACTURING |
| 1A20806H48 | 54698 | SOSCO CORP |
Technical Data | NSN 5305-01-021-2528
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.438 INCHES MINIMUM |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| SCREW MATERIAL | COPPER ALLOY 260 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC ALL MATERIAL RESPONSES |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |