The Screw,machine, cataloged under National Stock Number 5305-01-610-3299, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mountz, Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-610-3299 |
| Primary Part Number | DIN7985A2M2.5X10 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mountz, Inc. |
| Status | ACTIVE |
| Head Height | 2.12 MILLIMETERS MAXIMUM MM |
| Screw Surface Treatment | ZINC |
| Fastener Length | 10.0 MILLIMETERS NOMINAL MM |
| Thread Length | 10.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 2.5 MILLIMETERS MM |
| Head Surface Treatment | ZINC |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Series Designator | M |
| Head Diameter | 5.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DIN7985A2M2.5X10 PRIMARY | Mountz, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 25S10PPMS | 5/9 Secondary reference The Olander Company, Inc. |
NSN 5305-01-610-3299 is a Screw,machine, manufactured by Mountz, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-610-3299 has 1 manufacturer part number on file: DIN7985A2M2.5X10 (Mountz, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-621-8342. Verify interchangeability with system specifications before substitution.
Key specifications for DIN7985A2M2.5X10: Head Height: 2.12 MILLIMETERS MAXIMUM MM; Screw Surface Treatment: ZINC; Fastener Length: 10.0 MILLIMETERS NOMINAL MM; Thread Length: 10.0 MILLIMETERS NOMINAL MM. 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.