NSN 5305-00-984-8278 NAS120321W, NAS1203-21W, 00-984-8278
Product Details | CLOSE TOLERANCE SCREW
5305-00-984-8278 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Part Alternates: NAS120321W, NAS1203-21W, 5305-00-984-8278, 00-984-8278, 5305009848278, 009848278
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 00-984-8278 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-00-984-8278
Cross Reference | NSN 5305-00-984-8278
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1203-21 | 04348 | LAWRENCE ENGINEERING AND SUPPLY INC |
| NAS1203-21 | 07851 | NOR-CAL SUPPLY CO.INC. |
| NAS1203-21 | 08938 | AIR INDUSTRIES CO INC |
| NAS1203-21 | 30889 | ERIKS SOUTHWEST INC DBA MONTCLAIR ENTERPRISES |
| NAS1203-21 | 30902 | F AND C SALES INC |
| NAS1203-21 | 50568 | APCOM INC |
| NAS1203-21 | 56878 | SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION |
| NAS1203-21 | 71562 | COLLINS AND AIKMAN CORP |
| NAS1203-21 | 73197 | HI-SHEAR CORPORATION |
| NAS1203-21 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES |
| NAS1203-21 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| NAS1203-21 | 82172 | DURHAM AIRCRAFT SERVICE INC |
| NAS1203-21 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH |
| NAS1203-21 | L4528 | LISI AEROSPACE CANADA CORP |
| NAS1203-21W | 04348 | LAWRENCE ENGINEERING AND SUPPLY INC |
| NAS1203-21W | 07851 | NOR-CAL SUPPLY CO.INC. |
| NAS1203-21W | 08938 | AIR INDUSTRIES CO INC |
| NAS1203-21W | 30889 | ERIKS SOUTHWEST INC DBA MONTCLAIR ENTERPRISES |
| NAS1203-21W | 50568 | APCOM INC |
| NAS1203-21W | 56878 | SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION |
| NAS1203-21W | 71563 | COLLINS ENGINEERING CORP |
| NAS1203-21W | 73197 | HI-SHEAR CORPORATION |
| NAS1203-21W | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| NAS1203-21W | 82172 | DURHAM AIRCRAFT SERVICE INC |
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Related Products | NSN 5305-00-984-8278
Technical Data | NSN 5305-00-984-8278
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.276 INCHES MINIMUM |
| FASTENER LENGTH | 1.573 INCHES MINIMUM AND 1.603 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | C50 FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | D1 CROSS RECESS TYPE 1 |
| GRIP LENGTH | 1.312 INCHES NOMINAL |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1203 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
Restrictions/Controls & Freight Information | NSN 5305-00-984-8278
| 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 | ||