The Screw Assembly,panel, cataloged under National Stock Number 5305-01-646-3376, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Manufactured Products Group Inc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-646-3376 |
| Primary Part Number | Z4443-316SS-PAC |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Manufactured Products Group Inc |
| Status | ACTIVE |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.313 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | BINDING |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.563 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 |
|---|---|
| Z4443-316SS-PAC PRIMARY | Accurate Manufactured Products Group Inc (USA) |
| 92463A412 | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-646-3376 is a Screw Assembly,panel, manufactured by Accurate Manufactured Products Group Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-646-3376 has 2 manufacturer part numbers on file: Z4443-316SS-PAC (Accurate Manufactured Products Group Inc), 92463A412 (Mcmaster-Carr Supply Co).
Key specifications for Z4443-316SS-PAC: Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Material Accommodated Thickness: 0.500 INCHES NOMINAL IN; Thread Length: 0.313 INCHES NOMINAL IN. 12 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.