The Ring,wearing, cataloged under National Stock Number 4320-00-977-1114, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-977-1114 |
| Primary Part Number | 4-3DM60AX2-20K |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Flange Diameter | 5.625 INCHES NOMINAL IN |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Distance Between Flanges | 0.500 INCHES NOMINAL IN |
| Chamfer Length | 0.062 INCHES NOMINAL INSIDE RIGHT CORNER IN |
| Chamfer Length | 0.062 INCHES NOMINAL INSIDE LEFT CORNER IN |
| Body Style | EXTERNAL LOCKING FLANGE |
| Body Outside Diameter | 5.375 INCHES NOMINAL IN |
| End to Flange Distance | 0.750 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.250 INCHES NOMINAL IN |
| Distance Below Centerline | 0.250 INCHES NOMINAL IN |
| Body Inside Diameter | 3.361 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.250 INCHES NOMINAL IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL INSIDE RIGHT CORNER |
| Chamfer Angle | 45.0 DEGREES NOMINAL INSIDE LEFT CORNER |
| Material | STEEL |
| Largest External Anchor Flange Radius | 2.812 INCHES NOMINAL 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 |
|---|---|
| Y-247569 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 4-3DM60AX2-20K PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| Y-247569 | 5/9 Secondary reference U.S. Government activity |
| Y-3DM60AX2-20K | 5/9 Secondary reference Ingersoll Rand Co |
| 4-3DM60AX2-20K | 3/9 Design control — primary reference U.S. Government activity |
| Y-247569 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 4320-00-977-1114 is a Ring,wearing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-977-1114 has 2 manufacturer part numbers on file: Y-247569 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 4-3DM60AX2-20K (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 4-3DM60AX2-20K: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Flange Diameter: 5.625 INCHES NOMINAL IN; Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER. 20 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.