The Bolt,square Neck, cataloged under National Stock Number 5306-01-549-5199, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Cnh Industrial America Llc Dba Cnh America. Government technical data includes 8 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 | 5306-01-549-5199 |
| Primary Part Number | 20-21232 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Neck Length | 0.491 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN |
| Thread Length | 2.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| Material | STEEL PROPERTY CLASS 8.8 OVERALL |
| 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 |
NSN 5306-01-549-5199 is a Bolt,square Neck, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-549-5199 has 2 manufacturer part numbers on file: 20-21232 (Cnh Industrial America Llc Dba Cnh America), 86624951 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for 20-21232: Neck Length: 0.491 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN; Thread Length: 2.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.750 INCHES IN; Thread Direction: RIGHT-HAND. 8 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.