The Screw,machine, cataloged under National Stock Number 5305-01-417-2447, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-417-2447 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR ASTM A493-73 ASSN STD ALL MATERIAL RESPONSES |
| Thread Length | 0.745 INCHES MINIMUM IN |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | O RING |
| Head Style | WATERTIGHT |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH OR PELLET OR STRIP |
| Screw Material | STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.473 INCHES MINIMUM AND 0.517 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-S-82496 | 4/1 Identification reference U.S. Government activity |
| MS3212-53L | 3/2 Design control — primary reference U.S. Government activity |
| NASM3212 | D/9 Drawing number reference only U.S. Government activity |
| MS3212-53L | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-417-2447 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-433-9801, 5305-01-516-7917. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-417-2447: Head Height: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR ASTM A493-73 ASSN STD ALL MATERIAL RESPONSES. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.