The Ring,piston, cataloged under National Stock Number 3040-00-989-7816, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ingersoll-Rand Company Dba Rotary Compressor Division. Government technical data includes 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-989-7816 |
| Primary Part Number | R63136B362 |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| FSC Application Data | LIQUID OXYGEN GENERATOR |
| Cross-Sectional Shape Style | TAPERED FACE, TAPERED BOTTOM |
| Radial Wall Thickness | 0.1490 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 3.625 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 |
|---|---|
| R63136B362 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| X1440T55B | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| X1440T55B | 5/9 Secondary reference Ingersoll Rand Co |
| X1440T55B | 5/9 Secondary reference U.S. Government activity |
| X1440T55B | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| R63136B362 | 5/9 Secondary reference U.S. Government activity |
| X1440T55B | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 3040-00-989-7816 is a Ring,piston, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-989-7816 has 2 manufacturer part numbers on file: R63136B362 (Ingersoll-Rand Company Dba Rotary Compressor Division), X1440T55B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for R63136B362: FSC Application Data: LIQUID OXYGEN GENERATOR; Overall Width: 0.1250 INCHES NOMINAL IN; Cross-Sectional Shape Style: TAPERED FACE, TAPERED BOTTOM; Radial Wall Thickness: 0.1490 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM IN. 6 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.