The Screw,machine, cataloged under National Stock Number 5305-00-059-3666, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sinclair Technologies Inc.. 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through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-059-3666 |
| Primary Part Number | 245438 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sinclair Technologies Inc. |
| Status | CANCELLED |
| Head Height | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Screw Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES |
| Thread Length | 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 245438 | Sinclair Technologies Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 418330-70 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 0111.0060.J | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MS51958-70 | 5/9 Secondary reference U.S. Government activity |
| 5305000593666 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 551-3081-666 | E/8 Replaced / superseded reference L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division |
| 5305PL1368179 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 343-000 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 8914375-29 | E/8 Replaced / superseded reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 915025-0070 | 5/9 Secondary reference Wilcox Electric Inc a Sub of Northrop Corp |
| WC1052-070 | 5/9 Secondary reference Allmetal Screw Products Corp |
| 112-1051-013 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| P343-000 | 5/9 Secondary reference Allied Products Corp Pheoll Mfg Co Div |
| FF-S-92TYPE3STYLE9C | E/8 Replaced / superseded reference U.S. Government activity |
| MS51958-70 | 3/2 Design control — primary reference U.S. Government activity |
| 5305PL0961055 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5305-00-059-3666 is a Screw,machine, manufactured by Sinclair Technologies Inc., classified under FSC 5305, Screws. Status: cancelled.
NSN 5305-00-059-3666 has 1 manufacturer part number on file: 245438 (Sinclair Technologies Inc.).
Key specifications for 245438: Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 1.750 INCHES NOMINAL IN; Screw Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES. 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.
NSN 5305-00-059-3666 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.