The Screw,machine, cataloged under National Stock Number 5305-01-288-7833, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Multi-Flex Seals 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-288-7833 |
| Primary Part Number | 2661411-36 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Multi-Flex Seals Inc |
| Status | ACTIVE |
| Fastener Length | 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Length | 0.386 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | O RING |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Head Diameter | 0.385 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 2661411-36 PRIMARY | Multi-Flex Seals Inc (USA) |
| Reference | Meaning |
|---|---|
| 2661411-36 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2661411-36 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-288-7833 is a Screw,machine, manufactured by Multi-Flex Seals Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-288-7833 has 1 manufacturer part number on file: 2661411-36 (Multi-Flex Seals Inc).
Key specifications for 2661411-36: Fastener Length: 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Thread Length: 0.386 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN; Features Provided: O RING. 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.