The Screw,close Tolerance, cataloged under National Stock Number 5305-01-661-4669, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-661-4669 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 2.1990 INCHES MINIMUM AND 2.2290 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS4006 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.2760 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.9280 INCHES MINIMUM AND 1.9480 INCHES MAXIMUM IN |
| Grip Diameter | 0.3280 INCHES MINIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0000 DEGREES MINIMUM AND 101.0000 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3760 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN |
| 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 |
|---|---|
| NAS1153V31A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-661-4669 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-661-4669: Fastener Length: 2.1990 INCHES MINIMUM AND 2.2290 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS4006 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.2760 INCHES NOMINAL IN; Nominal Thread Diameter: 0.1900 INCHES IN. 16 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.