The Cap,servocylinder, cataloged under National Stock Number 1650-00-477-0646, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Moog Military Aircraft Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1650-00-477-0646 |
| Primary Part Number | 31133 |
| Item Name | Cap,servocylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY 2024 T4 PER QQ&A&225/6,ANODIZE PER MIL&A&8625TY 1 CL 2 COLOR GREY,BASE 2.060 IN. SQ,0.475 IN. THK,1.563 IN. ID,4 HOLES 0.268 IN. DIA IN |
| 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 |
|---|---|
| 31133 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 31133 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 31133 | 5/9 Secondary reference U.S. Government activity |
| 31133 | C/1 Advisory reference — outside the item-of-supply concept Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 31133 | 5/9 Secondary reference Mid-America Aerotech, Llc |
NSN 1650-00-477-0646 is a Cap,servocylinder, manufactured by Moog Military Aircraft Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-477-0646 has 1 manufacturer part number on file: 31133 (Moog Military Aircraft Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-126-1049, 5950-01-565-4430. Verify interchangeability with system specifications before substitution.
Key specifications for 31133: General Characteristics Item Description: ALUMINUM ALLOY 2024 T4 PER QQ&A&225/6,ANODIZE PER MIL&A&8625TY 1 CL 2 COLOR GREY,BASE 2.060 IN. SQ,0.475 IN. THK,1.563 IN. ID,4 HOLES 0.268 IN. DIA IN. 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.