The Screw,machine, cataloged under National Stock Number 5305-01-322-5616, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mbda Uk Ltd. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-322-5616 |
| Primary Part Number | B68972 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mbda Uk Ltd |
| Status | ACTIVE |
| Head Height | 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Fastener Length | 0.688 INCHES NOMINAL IN |
| Thread Length | 0.454 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEXAGON COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 82577-965807-1/103 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Width Between Flats | 0.132 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 20.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| B68972 | Mbda Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 965807-1/103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-322-5616 is a Screw,machine, manufactured by Mbda Uk Ltd, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-322-5616 has 1 manufacturer part number on file: B68972 (Mbda Uk Ltd).
Key specifications for B68972: Head Height: 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Fastener Length: 0.688 INCHES NOMINAL IN; Thread Length: 0.454 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN. 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.