The Screw Assembly,panel, cataloged under National Stock Number 5305-01-077-0177, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-077-0177 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Fastener Length | 1.044 INCHES MINIMUM AND 1.076 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 0.094 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Thread Length | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | AMS 5514 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | KNURLED NO. 4 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE STAND-OFF |
| Surface Treatment | PASSIVATE SPRING |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 302 SPRING |
| Material | STEEL COMP 303 FASTENER |
| Material | STEEL COMP 305 STAND-OFF |
| Thread Series Designator | UNF |
| Head Diameter | 0.544 INCHES MINIMUM AND 0.576 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 |
| Reference | Meaning |
|---|---|
| 414608-5 | 7/2 Vendor item drawing reference U.S. Government activity |
| 53-14-511-24 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-077-0177 is a Screw Assembly,panel, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-077-0177: Head Height: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Fastener Length: 1.044 INCHES MINIMUM AND 1.076 INCHES MAXIMUM IN; Material Accommodated Thickness: 0.094 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Thread Length: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN. 20 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.