NSN 5305-01-295-5621 NAS1580A3T4Y, 01-295-5621, 012955621
Product Details | CLOSE TOLERANCE SCREW
5305-01-295-5621 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: NAS1580A3T4Y, 5305-01-295-5621, 01-295-5621, 5305012955621, 012955621
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 08 MAR 1989 | 01-295-5621 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-01-295-5621
Demand History | NSN 5305-01-295-5621
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5305-01-295-5621 | 2025-06-170 | 15 | Belgium |
| 5305-01-295-5621 | 2025-05-133 | 706 | DIBBS |
| 5305-01-295-5621 | 2024-11-310 | 574 | DIBBS |
| 5305-01-295-5621 | 2023-12-346 | 758 | DIBBS |
| 5305-01-295-5621 | 2023-06-172 | 109 | DIBBS |
| 5305-01-295-5621 | 2023-06-164 | 109 | DIBBS |
| 5305-01-295-5621 | 2022-04-102 | 98 | DIBBS |
| 5305-01-295-5621 | 2021-09-251 | 132 | DIBBS |
| 5305-01-295-5621 | 2021-08-236 | 132 | DIBBS |
| 5305-01-295-5621 | 2020-11-309 | 144 | DIBBS |
| 5305-01-295-5621 | 2019-09-272 | 15 | DIBBS |
| 5305-01-295-5621 | 2019-04-100 | 500 | DIBBS |
| NAS1580A3T4Y | 2013-10-280 | 500 | United States |
Cross Reference | NSN 5305-01-295-5621
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1580A3T4Y | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES |
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Related Products | NSN 5305-01-295-5621
Technical Data | NSN 5305-01-295-5621
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.363 INCHES NOMINAL |
| FASTENER LENGTH | 0.603 INCHES MINIMUM AND 0.623 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 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-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | C50 FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.3813 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | D8 TORQUE SET |
| GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| GRIP DIAMETER | 0.2197 INCHES MINIMUM AND 0.2207 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1580 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
Restrictions/Controls & Freight Information | NSN 5305-01-295-5621
| 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 | ||