The Ring,rod,piston, cataloged under National Stock Number 3040-01-417-6690, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hampton Hydraulics, Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-417-6690 |
| Primary Part Number | 135363 |
| Item Name | Ring,rod,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hampton Hydraulics, Llc |
| Status | ACTIVE |
| Radial Wall Thickness | 0.1220 INCHES MINIMUM AND 0.1220 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM0.1250 INCHES MAXIMUM IN |
| Standard Bore Diameter | 9.750 INCHES9.750 INCHES IN |
| Material | PLASTIC POLYAMIDE NYLON AND GLASS OVERALL |
| 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 |
|---|---|
| 135363 PRIMARY | Hampton Hydraulics, Llc (USA) |
| 912426 PIECE 2 | Hampton Hydraulics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 118298 | 5/9 Secondary reference Hampton Hydraulics, Llc |
| 118298 | 5/9 Secondary reference Victor Fluid Power Inc |
| 912426 PIECE 2 | 5/9 Secondary reference Victor Fluid Power Inc |
NSN 3040-01-417-6690 is a Ring,rod,piston, manufactured by Hampton Hydraulics, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-417-6690 has 2 manufacturer part numbers on file: 135363 (Hampton Hydraulics, Llc), 912426 PIECE 2 (Hampton Hydraulics, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 2930-01-478-0704, 5930-01-523-0567. Verify interchangeability with system specifications before substitution.
Key specifications for 135363: Overall Width: 1.5000 INCHES NOMINAL1.5000 INCHES NOMINAL IN; Radial Wall Thickness: 0.1220 INCHES MINIMUM AND 0.1220 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM0.1250 INCHES MAXIMUM IN; Special Features: 10.000 IN. OD10.000 IN. OD IN; Standard Bore Diameter: 9.750 INCHES9.750 INCHES IN. 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.
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.