The Screw Assembly,panel, cataloged under National Stock Number 5305-01-198-5553, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-198-5553 |
| Primary Part Number | 28080-3-19S |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Head Height | 0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fastener Length | 1.173 INCHES MINIMUM AND 1.203 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.062 INCHES NOMINAL IN |
| Thread Length | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.285 INCHES MINIMUM AND 0.315 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 |
|---|---|
| GS553E3-19S | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 28080-3-19S PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| GS553E3-19S | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5305-01-198-5553 is a Screw Assembly,panel, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-198-5553 has 2 manufacturer part numbers on file: GS553E3-19S (Fastener Innovation Technology, Inc. Dba F I T), 28080-3-19S (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for 28080-3-19S: Head Height: 0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Fastener Length: 1.173 INCHES MINIMUM AND 1.203 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.062 INCHES NOMINAL IN. 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.