The Screw,machine, cataloged under National Stock Number 5305-01-286-3502, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-286-3502 |
| Primary Part Number | MS35206-242 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Screw Surface Treatment | ZINC AND CHROMATE |
| Fastener Length | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-W-405 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.219 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Designator | AS MODIFIED BY SURFACE TREATMENT |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | ASTM B633 TY 2 FE/ZN 13 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 |
| Part Number | Manufacturer |
|---|---|
| MS35206-242 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| B203502G178-AB | C/1 Advisory reference — outside the item-of-supply concept Superior Electric Holding Group Llc Div Specialty Product Technologies |
| FF-S-92 | 4/1 Identification reference U.S. Government activity |
| MS35206-242 | 3/2 Design control — primary reference U.S. Government activity |
| MS35206-242 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-286-3502 is a Screw,machine, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-286-3502 has 1 manufacturer part number on file: MS35206-242 (Leonardo Spa Helicopters Division - Production Site).
Key specifications for MS35206-242: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Screw Surface Treatment: ZINC AND CHROMATE; Fastener Length: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-W-405 FED SPEC SINGLE MATERIAL RESPONSE. 16 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.