The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-556-2003, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is American Metal Bearing Co Dba Amb Engineering & Machining Solutions. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-556-2003 |
| Primary Part Number | 22008-20 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | American Metal Bearing Co Dba Amb Engineering & Machining Solutions |
| Status | ACTIVE |
| Head Height | 0.700 INCHES NOMINAL IN |
| Fastener Length | 4.700 INCHES NOMINAL IN |
| Thread Length | 4.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.500 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 12 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 22008-20 PRIMARY | American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA) |
| B130 REV- | American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA) |
| LHD-8 22008 FN NO 20 | American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA) |
NSN 5305-01-556-2003 is a Screw,cap,hexagon Head, manufactured by American Metal Bearing Co Dba Amb Engineering & Machining Solutions, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-556-2003 has 3 manufacturer part numbers on file: 22008-20 (American Metal Bearing Co Dba Amb Engineering & Machining Solutions), B130 REV- (American Metal Bearing Co Dba Amb Engineering & Machining Solutions), LHD-8 22008 FN NO 20 (American Metal Bearing Co Dba Amb Engineering & Machining Solutions).
Key specifications for 22008-20: Head Height: 0.700 INCHES NOMINAL IN; Fastener Length: 4.700 INCHES NOMINAL IN; Thread Length: 4.000 INCHES NOMINAL IN; Nominal Thread Diameter: 1.000 INCHES IN. 10 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.