The Lock,servovalve,hydraulic, cataloged under National Stock Number 1680-01-235-6009, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-235-6009 |
| Item Name | Lock,servovalve,hydraulic |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| FSC Application Data | SEAT,AIRCRAFT |
| General Characteristics Item Description | 7.06 IN. EXTENDED LG; 6.31 IN. INTERMEDIATE LG AT 0.750 IN. STROKE; 6.06 IN. COMPRESSED LOCK-OUT LG; 1.125 IN. BODY DIA; FIRST END 0.375-24 UNF 3A THD W/ PUSH CONTROL ROD; CONTROL ROD RELEASE FORCE 5.0 LB MAX; SECOND END CLEVIS 0.750 IN. DIA; 0.280 IN. W SLOT; 0.250-28 UNF THD LOCKING INSERT; UNIT EXTENDED OUTPUT 77.00 LB; COMPRESSED OUTPUT 111.0 LB; OVERRIDE SET AT 55.0 LB; CYLINDER AND DOUBLE-ENDED PISTON MECHANISM W/ INTEGRAL VALVE/PORT SYSTEM A |
| Functional Description | HYDROLOK CONTROLS TRANSFER OF FLUID BETWEEN TWO STORAGE CHAMBER CYLINDERS |
| Type/model Designation | TRISTAR |
| 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 |
|---|---|
| LL01400-19 | 5/9 Secondary reference Porter P L Co |
| LL1400-19 | 3/9 Design control — primary reference Porter P L Co |
NSN 1680-01-235-6009 is a Lock,servovalve,hydraulic, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-235-6009: FSC Application Data: SEAT,AIRCRAFT; General Characteristics Item Description: 7.06 IN. EXTENDED LG; 6.31 IN. INTERMEDIATE LG AT 0.750 IN. STROKE; 6.06 IN. COMPRESSED LOCK-OUT LG; 1.125 IN. BODY DIA; FIRST END 0.375-24 UNF 3A THD W/ PUSH CONTROL ROD; CONTROL ROD RELEASE FORCE 5.0 LB MAX; SECOND END CLEVIS 0.750 IN. DIA; 0.280 IN. W SLOT; 0.250-28 UNF THD LOCKING INSERT; UNIT EXTENDED OUTPUT 77.00 LB; COMPRESSED OUTPUT 111.0 LB; OVERRIDE SET AT 55.0 LB; CYLINDER AND DOUBLE-ENDED PISTON MECHANISM W/ INTEGRAL VALVE/PORT SYSTEM A; Functional Description: HYDROLOK CONTROLS TRANSFER OF FLUID BETWEEN TWO STORAGE CHAMBER CYLINDERS; Type/model Designation: TRISTAR. 4 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 1680-01-235-6009 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.