The Screw Assembly,panel, cataloged under National Stock Number 5305-01-443-5526, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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 | 5305-01-443-5526 |
| Primary Part Number | 6744186-001 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.153 INCHES NOMINAL IN |
| Fastener Length | 0.310 INCHES NOMINAL IN |
| Material Document and Classification | ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE RING |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | BINDING |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR RING |
| Material | PLASTIC POLYAMIDE NYLON FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.490 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 |
|---|---|
| 6744186-001 PRIMARY | Naval Sea Systems Command (USA) |
| 005-0038-000 | Newvac, Llc Div Newvac (USA) |
NSN 5305-01-443-5526 is a Screw Assembly,panel, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-443-5526 has 2 manufacturer part numbers on file: 6744186-001 (Naval Sea Systems Command), 005-0038-000 (Newvac, Llc Div Newvac).
Key specifications for 6744186-001: Head Height: 0.153 INCHES NOMINAL IN; Fastener Length: 0.310 INCHES NOMINAL IN; Material Document and Classification: ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE FASTENER; Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE RING. 14 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.