The Keeper,snap Ring, cataloged under National Stock Number 4810-00-141-1090, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Mid-America Aerotech, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-141-1090 |
| Primary Part Number | 41A561-11 |
| Item Name | Keeper,snap Ring |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,IRREGULAR SHAPE,0.280 IN. CENTER HOLE DIA,0.092 IN. MATERIAL THK,0.498 IN. LG 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 |
|---|---|
| 41A561-11 | Mid-America Aerotech, Llc (USA) |
| Reference | Meaning |
|---|---|
| 41561-11 | 3/9 Design control — primary reference U.S. Government activity |
| 41A561-11 | 5/9 Secondary reference U.S. Government activity |
| 41561-11 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 41A561-11 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 41A561-11 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 41561-11 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
NSN 4810-00-141-1090 is a Keeper,snap Ring, manufactured by Mid-America Aerotech, Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-141-1090 has 1 manufacturer part number on file: 41A561-11 (Mid-America Aerotech, Llc).
Key specifications for 41A561-11: General Characteristics Item Description: CRES,IRREGULAR SHAPE,0.280 IN. CENTER HOLE DIA,0.092 IN. MATERIAL THK,0.498 IN. LG 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.