The Screw,machine, cataloged under National Stock Number 5305-01-439-4201, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is N-D Industries. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-439-4201 |
| Primary Part Number | 3140090-10 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | N-D Industries |
| Status | ACTIVE |
| Head Height | 2.55 MILLIMETERS MINIMUM AND 2.80 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Locking Feature Material Document and Classification | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Surface Treatment | OXIDE |
| Fastener Length | 7.5 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM MM |
| Screw Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 8.0 MILLIMETERS NOMINAL MM |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Series Designator | M |
| Head Diameter | 7.44 MILLIMETERS MINIMUM AND 7.80 MILLIMETERS MAXIMUM MM |
| Screw Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC 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 |
| Part Number | Manufacturer |
|---|---|
| 3140090-10 PRIMARY | N-D Industries (USA) |
| 3140090-10 PRIMARY | Nylok Llc (USA) |
| Reference | Meaning |
|---|---|
| 3140090-10 | 5/9 Secondary reference Nylok Llc |
| A3140090-10 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5305-01-439-4201 is a Screw,machine, manufactured by N-D Industries, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-439-4201 has 2 manufacturer part numbers on file: 3140090-10 (N-D Industries), 3140090-10 (Nylok Llc).
Key specifications for 3140090-10: Head Height: 2.55 MILLIMETERS MINIMUM AND 2.80 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Locking Feature Material Document and Classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE; Screw Surface Treatment: OXIDE. 18 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.