The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-706-3335, 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 15 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 | 5305-01-706-3335 |
| Primary Part Number | 1830-12-S-31A |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Surface Finish | 0.00025 MICROMETERS OVERALL |
| Head Height | 3.00 MILLIMETERS NOMINAL MM |
| Fastener Length | 12.000 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | TM B633/85 TYPE II - FE/ZN5- SC-1 COMMERCIAL ITEM DESCRIPTION 15TH TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 3.00 |
| Thread Length | 3.75 MILLIMETERS MINIMUM AND 4.25 MILLIMETERS MAXIMUM MM |
| Hole Configuration Style | ROUND INTERNAL HEXAGON |
| Head Style | CHAMFER FLANGE |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | M |
| Hole Type | DRILLED |
| Head Diameter | 5.5 MILLIMETERS NOMINAL 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 |
|---|---|
| 1830-12-S-31A | Century Fasteners Corp. Dba Century Fasteners Corp (USA) |
| 1830-12-S-31A PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
NSN 5305-01-706-3335 is a Screw,cap,hexagon Head, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-706-3335 has 2 manufacturer part numbers on file: 1830-12-S-31A (Century Fasteners Corp. Dba Century Fasteners Corp), 1830-12-S-31A (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 1830-12-S-31A: Surface Finish: 0.00025 MICROMETERS OVERALL; Head Height: 3.00 MILLIMETERS NOMINAL MM; Fastener Length: 12.000 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: TM B633/85 TYPE II - FE/ZN5- SC-1 COMMERCIAL ITEM DESCRIPTION 15TH TREATMENT RESPONSE OVERALL. 15 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.