The Piston,system 2 Modification, cataloged under National Stock Number 1680-01-059-4515, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-059-4515 |
| Item Name | Piston,system 2 Modification |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,420 QQ-S-763,PASSIVATE,49-53 RC MIL-H-6875,4.600 IN. LG,0.778 IN. O/A OD,1ST END 0.700 IN. OD,0.560 IN. ID,2ND END 0.3125-24 UNJF-3A THD 0.530 IN. LG A |
| Functional Description | 3833191-1 |
| Type/model Designation | F16A/B;TAIL EFFECTIVITY 0007-0008ON |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3833177-1 | 3/2 Design control — primary reference U.S. Government activity |
| 3833177-1 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 3833177-1 | 5/9 Secondary reference U.S. Government activity |
NSN 1680-01-059-4515 is a Piston,system 2 Modification, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-059-4515: General Characteristics Item Description: CRES,420 QQ-S-763,PASSIVATE,49-53 RC MIL-H-6875,4.600 IN. LG,0.778 IN. O/A OD,1ST END 0.700 IN. OD,0.560 IN. ID,2ND END 0.3125-24 UNJF-3A THD 0.530 IN. LG A; Functional Description: 3833191-1; End Item Identification: F16 ACFT; Type/model Designation: F16A/B;TAIL EFFECTIVITY 0007-0008ON. 3 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.
NSN 1680-01-059-4515 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.