The Ring,wearing, cataloged under National Stock Number 4320-00-367-1116, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-367-1116 |
| Primary Part Number | 5-56790SH3PC36 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Chamfer Length | 0.031 INCHES NOMINAL INSIDE LEFT CORNER IN |
| Body Outside Diameter | 4.998 INCHES NOMINAL IN |
| Body Inside Diameter | 2.500 INCHES NOMINAL IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL INSIDE LEFT CORNER |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 5-56790SH3PC36 PRIMARY | Fairbanks Morse, Llc (USA) |
| CR4L9 PRIMARY | Fairbanks Morse, Llc (USA) |
| 1-100063ITEM2 PRIMARY | Fairbanks Morse, Llc (USA) |
| 100355ITEM2 PRIMARY | Fairbanks Morse, Llc (USA) |
| 5-56739SH1PC36 PRIMARY | Fairbanks Morse, Llc (USA) |
| 5-56790SH1PC36 PRIMARY | Fairbanks Morse, Llc (USA) |
| 51758-15 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5-56790SH1PC36 | 5/9 Secondary reference U.S. Government activity |
| 51758-15 | 5/9 Secondary reference U.S. Government activity |
| 1-100063ITEM2 | 5/9 Secondary reference U.S. Government activity |
| 100355ITEM2 | 5/9 Secondary reference U.S. Government activity |
| 5-56739SH1PC36 | 5/9 Secondary reference U.S. Government activity |
| 5-56790SH3PC36 | 5/9 Secondary reference U.S. Government activity |
| CR4L9 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-00-367-1116 is a Ring,wearing, manufactured by Fairbanks Morse, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-367-1116 has 7 manufacturer part numbers on file: 5-56790SH3PC36 (Fairbanks Morse, Llc), CR4L9 (Fairbanks Morse, Llc), 1-100063ITEM2 (Fairbanks Morse, Llc), 100355ITEM2 (Fairbanks Morse, Llc), 5-56739SH1PC36 (Fairbanks Morse, Llc) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 3020-01-655-3256. Verify interchangeability with system specifications before substitution.
Key specifications for 5-56790SH3PC36: Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 9 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.