The Screw,machine, cataloged under National Stock Number 5305-01-692-1773, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bossard Intl Inc. Government technical data includes 11 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 | 5305-01-692-1773 |
| Primary Part Number | BN660 M4X6 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bossard Intl Inc |
| Status | ACTIVE |
| Head Height | 3.25 MILLIMETERS NOMINAL MM |
| Fastener Length | 6.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.75 |
| Thread Length | 6.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 304 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Series Designator | M |
| Head Diameter | 8.0 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 |
|---|---|
| IN3078249XN | Illca S.m.i S.r.l. (ITA) |
| BN660 M4X6 PRIMARY | Bossard Intl Inc (USA) |
NSN 5305-01-692-1773 is a Screw,machine, manufactured by Bossard Intl Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-692-1773 has 2 manufacturer part numbers on file: IN3078249XN (Illca S.m.i S.r.l.), BN660 M4X6 (Bossard Intl Inc).
Key specifications for BN660 M4X6: Head Height: 3.25 MILLIMETERS NOMINAL MM; Fastener Length: 6.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.75; Thread Length: 6.0 MILLIMETERS NOMINAL MM. 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.