The Stud,plain, cataloged under National Stock Number 5307-00-558-1820, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Cnh Industrial America Llc Dba Cnh America. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-558-1820 |
| Primary Part Number | A51271 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Thread Length | 1.500 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM STUD THREAD IN |
| Thread Pitch Diameters | +0.3372 TO 0.3397 INCHES STUD THREAD IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNS STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| 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 |
|---|---|
| A51271 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
NSN 5307-00-558-1820 is a Stud,plain, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-558-1820 has 1 manufacturer part number on file: A51271 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for A51271: Thread Length: 1.500 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM STUD THREAD IN; Thread Pitch Diameters: +0.3372 TO 0.3397 INCHES STUD THREAD IN; Overall Length: 3.750 INCHES NOMINAL 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.