The Screw Assembly,panel, cataloged under National Stock Number 5305-01-259-1200, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Fixations Simmonds SAS. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-259-1200 |
| Primary Part Number | DFRB7500-02HSM5C3 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Howmet Fixations Simmonds SAS |
| Status | ACTIVE |
| External Thread Tolerance Class | 4H6H |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Head Style | HEXAGON |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | ASTM-A-493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | MIL-S-5059A MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER A |
| Material | STEEL COMP 301 PRIMARY WASHER |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Surface Treatment | PASSIVATE SPRING |
| Thread Series Designator | ISO M |
| Fastener Length | 1.082 INCHES NOMINAL IN |
| Thread Length | 1.012 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| Surface Treatment Document and Classification | MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Material Accommodated Thickness | 0.512 INCHES NOMINAL IN |
| Width Between Flats | 0.451 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Surface Treatment | PASSIVATE PRIMARY WASHER |
| Material | STEEL COMP 304 FASTENER |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.520 INCHES NOMINAL IN |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Internal Drive Style | HEXAGON |
| Surface Treatment | PASSIVATE FASTENER |
| Material | ALUMINUM ALLOY 6061 STAND-OFF |
| Thread Pitch in Millimeters | 0.8 |
| Material | STEEL COMP 302 SPRING |
| Surface Treatment | ANODIZE STAND-OFF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DFRB7500-02HSM5C3 | Howmet Fixations Simmonds SAS (FRA) |
| 45421 | Gdi Simulation (FRA) |
| FRB7500HSM5C3 | Huck Intl Inc (USA) |
| FRB7500HSM5C3 | Huck International, Inc (USA) |
NSN 5305-01-259-1200 is a Screw Assembly,panel, manufactured by Howmet Fixations Simmonds SAS, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-259-1200 has 4 cross-referenced part numbers: DFRB7500-02HSM5C3 (Howmet Fixations Simmonds SAS), 45421 (Gdi Simulation), FRB7500HSM5C3 (Huck Intl Inc), FRB7500HSM5C3 (Huck International, Inc).
There is 1 known substitute for 5305-01-259-1200: 5935-00-221-9170. Verify interchangeability with system specifications before substitution.
Key specifications for DFRB7500-02HSM5C3: External Thread Tolerance Class: 4H6H; Minimum Tensile Strength: 160000 POUNDS PER SQUARE INCH LBS; Head Style: HEXAGON; Nominal Thread Diameter: 5.0 MILLIMETERS MM. 30 total characteristics are documented in the Federal Logistics Information System.