NSN 5305-01-286-7978 01-286-7978, 012867978
Product Details | SOCKET HEAD CAP SCREW
5305-01-286-7978 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Part Alternates: 5305-01-286-7978, 01-286-7978, 5305012867978, 012867978
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01-286-7978 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
Drawings & Photos | NSN 5305-01-286-7978
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Technical Data | NSN 5305-01-286-7978
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.565 INCHES MINIMUM AND 2.750 INCHES MAXIMUM |
| FASTENER LENGTH | 2.710 INCHES MINIMUM AND 2.750 INCHES MAXIMUM |
| MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE STEEL FASTENER |
| SURFACE TREATMENT | CADMIUM AND CHROMATE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH |
| HEAD STYLE | C49 FLAT CHAMFER |
| HEAD DIAMETER | 0.550 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| HEAD HEIGHT | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | D5 HEXAGON |
| WIDTH ACROSS FLATS | 0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM |
| LOCKING FEATURE | PATCH OR STRIP THREADS |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS16997-106L |
Restrictions/Controls & Freight Information | NSN 5305-01-286-7978
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||