The Screw,machine, cataloged under National Stock Number 5305-01-137-7024, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lehigh Armstrong Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-137-7024 |
| Primary Part Number | DIN963M4X8BR |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lehigh Armstrong Inc |
| Status | ACTIVE |
| Fastener Length | 8.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 4.4 MILLIMETERS MINIMUM AND 5.8 MILLIMETERS MAXIMUM MM |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY |
| Internal Drive Style | SLOT |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Thread Series Designator | M |
| Head Diameter | 7.5 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 |
|---|---|
| DIN963M4X8BR PRIMARY | Lehigh Armstrong Inc (USA) |
| Reference | Meaning |
|---|---|
| DIN963 M4X8 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| C0ML M4X8MM | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| C0ML M4X8MM | C/1 Advisory reference — outside the item-of-supply concept Lehigh Armstrong Inc |
NSN 5305-01-137-7024 is a Screw,machine, manufactured by Lehigh Armstrong Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-137-7024 has 1 manufacturer part number on file: DIN963M4X8BR (Lehigh Armstrong Inc).
Key specifications for DIN963M4X8BR: Fastener Length: 8.00 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.7; Thread Length: 4.4 MILLIMETERS MINIMUM AND 5.8 MILLIMETERS MAXIMUM MM; Nominal Thread Diameter: 4.0 MILLIMETERS MM. 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.