The Ring,piston, cataloged under National Stock Number 4310-00-545-1566, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Grover Corporation Dba Grover Piston Ring Co. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-545-1566 |
| Primary Part Number | 8756410 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Grover Corporation Dba Grover Piston Ring Co |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Standard Bore Diameter | 2.938 INCHES IN |
| Material | IRON 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 |
|---|---|
| 8756410 | Grover Corporation Dba Grover Piston Ring Co (USA) |
| 8756410 | Fmc Corp (USA) |
| 8756410 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 8756410 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
| Reference | Meaning |
|---|---|
| HJ1905 | 3/9 Design control — primary reference Muskegon Piston Ring Co Muskegon Products Div |
| HJ1905 | 5/9 Secondary reference Wausau Plant- Machining Div Muskegon Piston Ring Co a Questor Co |
| 2520005451566 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 4310-00-545-1566 is a Ring,piston, manufactured by Grover Corporation Dba Grover Piston Ring Co, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-545-1566 has 4 manufacturer part numbers on file: 8756410 (Grover Corporation Dba Grover Piston Ring Co), 8756410 (Fmc Corp), 8756410 (U S Army Tank Automotive Command Amsta-Im-Mm), 8756410 (Fnss Savunma Sistemleri Anonim Sirketi).
Key specifications for 8756410: Overall Width: 0.1230 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: INTERLOCKING JOINT; Radial Wall Thickness: 0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN. 7 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.