The Bolt,clevis, cataloged under National Stock Number 5306-00-151-0004, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Aeronautics Division - Pomigliano D'arco Site. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-151-0004 |
| Primary Part Number | AN22-21A |
| Item Name | Bolt,clevis |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site |
| Status | ACTIVE |
| Head Height | 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Fastener Length | 1.344 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Groove Diameter | 0.120 INCHES NOMINAL IN |
| Thread Length | 0.251 INCHES MINIMUM IN |
| Material Document and Classification | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-8695 MIL SPEC 6TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Document | THREAD T PER MIL-S-7742 EXCEPT MAJOR DIA IS NOT TO EXCEED MAX ALLOW BOLT SHANK DIA |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 36 |
| Material | STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| 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 |
|---|---|
| AN22-21A | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| Reference | Meaning |
|---|---|
| AN22-21A | 3/2 Design control — primary reference U.S. Government activity |
| AN22-21A | 5/9 Secondary reference U.S. Government activity |
| B6812 | 4/1 Identification reference U.S. Government activity |
NSN 5306-00-151-0004 is a Bolt,clevis, manufactured by Leonardo Spa Aeronautics Division - Pomigliano D'arco Site, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-151-0004 has 1 manufacturer part number on file: AN22-21A (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site).
Key specifications for AN22-21A: Head Height: 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN; Fastener Length: 1.344 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Groove Diameter: 0.120 INCHES NOMINAL IN. 17 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.