The Stud Assembly, cataloged under National Stock Number 5342-00-134-3428, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-134-3428 |
| Primary Part Number | 520-001-001 |
| Item Name | Stud Assembly |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
| Status | ACTIVE |
| General Characteristics Item Description | STUD P/N 720-002-457; HEX HEAD P/N 678-001-001; ATTACHMENT METHOD P/N 790-005-002 GRADE AA |
| 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 |
|---|---|
| 520-001-001 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 520-001-001 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
NSN 5342-00-134-3428 is a Stud Assembly, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-134-3428 has 1 manufacturer part number on file: 520-001-001 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division).
1 possible match (shared part number, not a government interchangeability claim): 5945-00-589-7385. Verify interchangeability with system specifications before substitution.
Key specifications for 520-001-001: General Characteristics Item Description: STUD P/N 720-002-457; HEX HEAD P/N 678-001-001; ATTACHMENT METHOD P/N 790-005-002 GRADE AA. 1 specification is 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.