NSN 5305-01-558-1791 AN520C41664, AN520C416-64, FFS92
Product Details | MACHINE SCREW
5305-01-558-1791 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.
Part Alternates: AN520C41664, AN520C416-64, FFS92, FF-S-92, 5305-01-558-1791, 01-558-1791, 5305015581791, 015581791
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 NOV 2007 | 01-558-1791 | 06657 ( SCREW, MACHINE ) |
Drawings & Photos | NSN 5305-01-558-1791
Demand History | NSN 5305-01-558-1791
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| FFS92 | 2023-08-236 | 14 | US |
| FF-S-92 | 2014-02-59 | 75 | United States |
| FFS92 | 2011-02-49 | 5 | US |
| FFS92 | 2011-02-49 | 50 | US |
| FFS92 | 2010-11-323 | 165 | US |
| FFS92 | 2009-12-338 | 100 | US |
| FFS92 | 2009-10-292 | 50 | United States |
| FFS92 | 2008-03-80 | 50 | United States |
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Technical Data | NSN 5305-01-558-1791
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.750 INCHES MINIMUM |
| FASTENER LENGTH | 4.000 INCHES NOMINAL |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| HEAD STYLE | A28 ROUND |
| HEAD DIAMETER | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM |
| HEAD HEIGHT | 0.175 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | B10 SLOT |
| MANUFACTURERS CODE | 88044 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN520C416-64 |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-92 |
Restrictions/Controls & Freight Information | NSN 5305-01-558-1791
| 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. |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||