NSN 5305-00-021-5912 M21428, DX599D, FFS85
Product Details | HEXAGON HEAD CAP SCREW
5305-00-021-5912 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.
Part Alternates: M21428, DX599D, FFS85, 743598Z2, 7435-98Z2, 912789, 92134, 0912789, 09127895, 0912789-5, 11X121, 13K10, 1AX16, 1X41, 202791, 215912, 25S54, 381, 3998, S2X1, 5305-00-021-5912, 00-021-5912, 5305000215912, 000215912
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-021-5912 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
Demand History | NSN 5305-00-021-5912
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 202791 | 2017-09-249 | 4 | Italy |
| 202791 | 2016-11-316 | 2 | Italy |
| 202791 | 2016-11-314 | 1 | Italy |
| FFS85 | 2013-01-11 | 473 | US |
| 381 | 2012-07-204 | 1 | United States |
| FFS85 | 2011-10-280 | 95 | United States |
| FFS85 | 2011-09-265 | 14 | US |
| FFS85 | 2010-03-84 | 100 | US |
| FFS85 | 2010-02-43 | 10 | United States |
| FFS85 | 2009-09-272 | 50 | US |
| 3998 | 2009-09-247 | 1 | Philippines |
Cross Reference | NSN 5305-00-021-5912
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 0912789 | 92392 | ALLIS-CHALMERS CORP |
| 0912789-5 | 92392 | ALLIS-CHALMERS CORP |
| 11X121 | 58275 | SASCO INC CANADIAN DIV |
| 13K10 | 08645 | BRIGGS AND STRATTON CORP |
| 1AX16 | 76040 | MACK TRUCKS INC PARTS OPN |
| 1X41 | 83120 | PRESSED METALS OF AMERICA INC |
| 202791 | 02978 | L-3 COMMUNICATIONS CORPORATION DBA COMBAT PROPULSION SYSTEMS |
| 215912 | 24617 | GENERAL MOTORS CORP |
| 215912 | 7X677 | GENERAL MOTORS LLC DBA GENERAL MOTORS |
| 25S54 | 06840 | BENDIX CORP THE |
| 381 | 26536 | DRESSER INDUSTRIES INC P AND M MFG DIV |
| 3998 | 23382 | FWD SEAGRAVE HOLDINGS, LP DIV FWD SEAGRAVE HOLDINGS, LP |
| 7435-98Z2 | 52793 | SAGINAW PRODUCTS CORPORATION DBA CIGNYS |
| 912789 | 92392 | ALLIS-CHALMERS CORP |
| 92134 | 08645 | BRIGGS AND STRATTON CORP |
| 92134 | 27996 | HEIL ENVIRONMENTAL INDUSTRIES |
| DX599D | 56442 | DIAMOND REO TRUCK CO |
| FFS85 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES |
| M21428 | 61038 | VICKERS INC |
| S2X1 | 65282 | WHITE MOTOR CORP |
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Technical Data | NSN 5305-00-021-5912
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES MINIMUM |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 23.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 74000 POUNDS PER SQUARE INCH |
| HEAD STYLE | C1 HEXAGON |
| HEAD HEIGHT | 0.188 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| SURFACE FINISH | 125.0 MICROINCHES BEARING SURFACE OF HEAD 63.0 MICROINCHES THREADS |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 STYLE AND 2 GRADE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY HEAD HEIGHT |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFS85 |
Restrictions/Controls & Freight Information | NSN 5305-00-021-5912
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||



