The Screw,machine, cataloged under National Stock Number 5305-01-687-5693, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-687-5693 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Screw Surface Treatment | ANODIZE |
| Fastener Length | 2.156 INCHES NOMINAL IN |
| Document Type | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION |
| Screw Material Document and Classification | QQ-Q-430 FED SPEC ALL MATERIAL RESPONSES OR AMS-QQ-A-225/6 NATIONAL SPEC ALL MATERIAL RESPONSES |
| Nominal Thread Diameter | 0.1640 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | ALUMINUM ALLOY |
| Internal Drive Style | TORQUE-SET RIBBED |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.161 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | MIL-A-8625, TYPE I OR II MIL STD ALL TREATMENT RESPONSES |
| 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 |
|---|---|
| MS24694A31 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-687-5693 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-687-5693: Screw Surface Treatment: ANODIZE; Fastener Length: 2.156 INCHES NOMINAL IN; Document Type: INTERNATIONAL ORGANIZATION FOR STANDARDIZATION; Screw Material Document and Classification: QQ-Q-430 FED SPEC ALL MATERIAL RESPONSES OR AMS-QQ-A-225/6 NATIONAL SPEC ALL MATERIAL RESPONSES. 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.