The Screw Assembly,panel, cataloged under National Stock Number 5305-01-211-0299, 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 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-211-0299 |
| Primary Part Number | DRB7900-10-B-4 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 0.890 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Material Accommodated Thickness | 0.062 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE PRIMARY WASHER |
| Surface Treatment | CADMIUM AND CHROMATE HEAD |
| Surface Treatment | CADMIUM AND CHROMATE FASTENER |
| Surface Treatment | CADMIUM AND CHROMATE STAND-OFF |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 8740 FASTENER |
| Material | STEEL COMP 4130 HEAD |
| Material | IRON ALLOY 660 STAND-OFF |
| Material | STEEL COMP 303 PRIMARY WASHER |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| DRB7900-10-B-4 PRIMARY | Huck International, Inc (USA) |
| DBR7900-10B4 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| DBR7900-10B4 | 5/9 Secondary reference U.S. Government activity |
| DRB7900-10-B-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-211-0299 is a Screw Assembly,panel, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-211-0299 has 2 manufacturer part numbers on file: DRB7900-10-B-4 (Huck International, Inc), DBR7900-10B4 (Huck International, Inc).
Key specifications for DRB7900-10-B-4: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 0.890 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER. 29 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.