The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-504-8366, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-504-8366 |
| Primary Part Number | 1812-18 SS-PP-12 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Head Height | 2.2 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM |
| Fastener Length | 13.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.50 |
| Thread Length | 5.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 3.0 MILLIMETERS MM |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | M |
| Head Diameter | 5.3 MILLIMETERS MINIMUM AND 5.6 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 1812-18 SS-PP-12 PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
NSN 5305-01-504-8366 is a Screw,externally Relieved Body, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-504-8366 has 1 manufacturer part number on file: 1812-18 SS-PP-12 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 1812-18 SS-PP-12: Head Height: 2.2 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM; Fastener Length: 13.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.50; Thread Length: 5.0 MILLIMETERS NOMINAL MM. 13 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.