The Screw,machine, cataloged under National Stock Number 5305-01-702-5128, 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15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-702-5128 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Screw Surface Treatment | ZINC |
| Fastener Length | 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Screw Material Document and Classification | ASTM A29-79 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.770 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1116 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1119 OR STEEL COMP 1120 OR STEEL COMP 1132 |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.685 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | ASTM-B633-78, TYPE II ASSN STD 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 |
|---|---|
| 303-8823584ITEM6-5 | C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Inc Div Newport News Shipbuilding |
| 90273A624 | 5/1 Secondary reference Mcmaster-Carr Supply Co |
| MS51481-19 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-702-5128 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-702-5128: Screw Surface Treatment: ZINC; Fastener Length: 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Screw Material Document and Classification: ASTM A29-79 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 0.770 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.