The Poppet Ring, cataloged under National Stock Number 4810-00-608-4897, 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 2 specifications, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-608-4897 |
| Primary Part Number | 40A601 |
| Item Name | Poppet Ring |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| Overall Diameter | 1.687 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 40A601 | Mid-America Aerotech, Llc (USA) |
| Reference | Meaning |
|---|---|
| 40A601 | 5/9 Secondary reference U.S. Government activity |
| 40A601 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| BP14799 | 5/9 Secondary reference Burke Products Inc |
| 40A601 | 3/9 Design control — primary reference U.S. Government activity |
| 40A601 | 5/9 Secondary reference Burke Products Inc |
| 40A601 | 5/9 Secondary reference Alek Industries Inc |
| 40A601 | 5/9 Secondary reference Shiloh Industries Inc |
NSN 4810-00-608-4897 is a Poppet Ring, manufactured by Mid-America Aerotech, Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-608-4897 has 1 manufacturer part number on file: 40A601 (Mid-America Aerotech, Llc).
Key specifications for 40A601: Overall Diameter: 1.687 INCHES NOMINAL IN; Overall Width: 0.108 INCHES NOMINAL IN; Special Features: STEEL; 1.687 IN. NOMINAL OVERALL DIAMETER; 0.108 IN. NOMINAL OVERALL WIDTH IN; Material: STEEL. 2 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.