The Screw,machine, cataloged under National Stock Number 5305-01-495-0552, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-495-0552 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Screw Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE |
| Thread Length | 1.151 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 8740 |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNJC |
| Head Diameter | 0.319 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416,TY1CL2 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 |
|---|---|
| NAS514P832-20 | 3/2 Design control — primary reference U.S. Government activity |
| 5305PL2057881 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5305-01-495-0552 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-495-0552: Screw Surface Treatment: CADMIUM; Fastener Length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Screw Material Document and Classification: MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE; Thread Length: 1.151 INCHES NOMINAL IN. 15 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.