The Screw Assembly,panel, cataloged under National Stock Number 5305-01-481-0559, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Technology Corp. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-481-0559 |
| Primary Part Number | FT1046-72A |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Technology Corp |
| Status | ACTIVE |
| Head Height | 0.095 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Fastener Length | 0.922 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Thread Length | 0.235 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Color | BLACK FASTENER |
| Color | BLACK SECONDARY WASHER |
| Color | BLACK STAND-OFF |
| Color | BLACK PRIMARY WASHER |
| Surface Treatment | OXIDE FASTENER |
| Surface Treatment | PASSIVATE SPRING |
| Surface Treatment | OXIDE PRIMARY WASHER |
| Surface Treatment | OXIDE STAND-OFF |
| Surface Treatment | OXIDE SECONDARY WASHER |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 SPRING |
| Material | STEEL COMP 304 STAND-OFF |
| Material | STEEL COMP 302 PRIMARY WASHER |
| Material | STEEL COMP 302 FASTENER |
| Material | STEEL COMP 303 SECONDARY WASHER |
| Thread Series Designator | UNF |
| Head Diameter | 0.350 INCHES MINIMUM AND 0.380 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 |
|---|---|
| 841581-72 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| FT1046-72A PRIMARY | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| 841581-72 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5305-01-481-0559 is a Screw Assembly,panel, manufactured by Fastener Technology Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-481-0559 has 2 manufacturer part numbers on file: 841581-72 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), FT1046-72A (Fastener Technology Corp).
Key specifications for FT1046-72A: Head Height: 0.095 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Fastener Length: 0.922 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN; Material Accommodated Thickness: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN; Thread Length: 0.235 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN. 26 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.