The Screw,tapping, cataloged under National Stock Number 5305-01-025-4800, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-025-4800 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.086 INCHES IN |
| Head Height | 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Fastener Length | 0.281 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OR AISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Features Provided | CASEHARDENED |
| Head Style | PAN |
| Nondefinitive Spec/std Data | AB TYPE |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material | STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1022 OVERALL |
| Head Diameter | 0.155 INCHES MINIMUM AND 0.167 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 |
|---|---|
| MS51861-3 | 2/2 Government specification standardization U.S. Government activity |
| FF-S-107 | 4/1 Identification reference U.S. Government activity |
NSN 5305-01-025-4800 is a Screw,tapping, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-025-4800: Nonmachine Nominal Thread Diameter: 0.086 INCHES IN; Head Height: 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Fastener Length: 0.281 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA). 11 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.