The Screw,tapping, cataloged under National Stock Number 5305-01-237-6842, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-237-6842 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.190 INCHES IN |
| Fastener Length | 1.953 INCHES MINIMUM AND 2.047 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Material Document and Classification | AISI 410 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLAT COUNTERSUNK |
| Nondefinitive Spec/std Data | AB TYPE |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Material | STEEL COMP 410 OVERALL |
| Head Diameter | 0.340 INCHES MINIMUM AND 0.385 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 |
|---|---|
| MS51862-42C | 2/2 Government specification standardization U.S. Government activity |
| FF-S-107 | 4/1 Identification reference U.S. Government activity |
NSN 5305-01-237-6842 is a Screw,tapping, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-237-6842: Nonmachine Nominal Thread Diameter: 0.190 INCHES IN; Fastener Length: 1.953 INCHES MINIMUM AND 2.047 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA). 12 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.