The Bolt,machine, cataloged under National Stock Number 5306-01-511-3926, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 11 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 | 5306-01-511-3926 |
| Primary Part Number | CP221-07D20C18 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Thread Length | 2.250 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A354;GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL UNS K04100 OVERALL |
| 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 |
|---|---|
| CP221-07D20C18 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 890171614138 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| S9515-AL-MMA-010 FIG 7-10 ITEM 3 | Naval Sea Systems Command (USA) |
NSN 5306-01-511-3926 is a Bolt,machine, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-511-3926 has 3 manufacturer part numbers on file: CP221-07D20C18 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 890171614138 (Hamilton Sundstrand Corporation Dba Collins Aerospace), S9515-AL-MMA-010 FIG 7-10 ITEM 3 (Naval Sea Systems Command).
Key specifications for CP221-07D20C18: Fastener Length: 2.250 INCHES NOMINAL IN; Thread Length: 2.250 INCHES NOMINAL IN; Material Document and Classification: ASTM A354;GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.437 INCHES IN. 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.