The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-610-6284, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mil-Mar Century Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-610-6284 |
| Primary Part Number | 106A0493-12 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mil-Mar Century Corporation |
| Status | ACTIVE |
| Head Height | 6.22 MILLIMETERS MINIMUM AND 6.58 MILLIMETERS MAXIMUM MM |
| Fastener Length | 85.62 MILLIMETERS MINIMUM AND 87.18 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | ELISHA PROCESS COATING 0251,A MINERAL BASED COATING MFR REF SINGLE TREATMENT RESPONSE OVERALL A |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 26.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 18.90 MILLIMETERS MINIMUM MM |
| Material | STEEL PROPERTY CLASS 8.8 OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 106A0493-12 PRIMARY | Mil-Mar Century Corporation (USA) |
| Reference | Meaning |
|---|---|
| 106A0493 | D/9 Drawing number reference only Mil-Mar Century Corporation |
NSN 5305-01-610-6284 is a Screw,cap,hexagon Head, manufactured by Mil-Mar Century Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-610-6284 has 1 manufacturer part number on file: 106A0493-12 (Mil-Mar Century Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-610-8687. Verify interchangeability with system specifications before substitution.
Key specifications for 106A0493-12: Head Height: 6.22 MILLIMETERS MINIMUM AND 6.58 MILLIMETERS MAXIMUM MM; Fastener Length: 85.62 MILLIMETERS MINIMUM AND 87.18 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: ELISHA PROCESS COATING 0251,A MINERAL BASED COATING MFR REF SINGLE TREATMENT RESPONSE OVERALL A; Thread Pitch in Millimeters: 1.5. 11 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.