The Screw Assembly,panel, cataloged under National Stock Number 5305-01-034-6699, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 27 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-034-6699 |
| Primary Part Number | GS553U3A2 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.520 INCHES NOMINAL IN |
| Fastener Length | 0.437 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Surface Treatment Document and Classification | MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Surface Treatment Document and Classification | MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Material Accommodated Thickness | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-225/8 TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | QQ-A-225/8 TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Material Document and Classification | QQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ANODIZE STAND-OFF |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE SPRING |
| Surface Treatment | ANODIZE HEAD |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 SPRING |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 384 OR STEEL COMP 385 FASTENER |
| Material | ALUMINUM ALLOY 6061 STAND-OFF |
| Material | ALUMINUM ALLOY 6061 HEAD |
| Thread Series Designator | UNF |
| Head Diameter | 0.451 INCHES NOMINAL 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 |
|---|---|
| GS553U3A2 | Huck International, Inc (USA) |
| GS553U3A2 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| AVL230-0092 | 5/2 Secondary reference U.S. Government activity |
| DRB7500-10A2 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc. Div Huck Products Division |
| 331126-47 | 5/9 Secondary reference Raytheon Company Div Corp |
| DRB7500-10A2 | 3/9 Design control — primary reference U.S. Government activity |
| 331126-47 | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
NSN 5305-01-034-6699 is a Screw Assembly,panel, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-034-6699 has 2 manufacturer part numbers on file: GS553U3A2 (Huck International, Inc), GS553U3A2 (Northrop Grumman Systems Corporation).
Key specifications for GS553U3A2: Head Height: 0.520 INCHES NOMINAL IN; Fastener Length: 0.437 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER; Surface Treatment Document and Classification: MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD. 27 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.