The Ring,piston, cataloged under National Stock Number 2805-00-255-9123, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 37 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-255-9123 |
| Primary Part Number | 29-3410PK |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| FSC Application Data | PISTON REFRIGERATION COMPRESSOR |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0750 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 1.875 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 |
|---|---|
| 191679PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 409086PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 420600PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 181827PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 180213PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 029-03410 | Bailey Refrigeration Co, Inc. (USA) |
| 452306PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 185663PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 420599PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 181815PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 180212PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 191678PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 407468PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 181800PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 181939 | Johnson Controls Navy Systems, Llc (USA) |
| 407467PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 420584PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 191665PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 461209PC184 | Johnson Controls Navy Systems, Llc (USA) |
| 185651PC184 | Johnson Controls Navy Systems, Llc (USA) |
NSN 2805-00-255-9123 is a Ring,piston, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-255-9123 has 37 manufacturer part numbers on file: 191679PC184 (Johnson Controls Navy Systems, Llc), 409086PC184 (Johnson Controls Navy Systems, Llc), 420600PC184 (Johnson Controls Navy Systems, Llc), 181827PC184 (Johnson Controls Navy Systems, Llc), 180213PC184 (Johnson Controls Navy Systems, Llc) and 32 more.
3 possible matches (shared part number, not a government interchangeability claim): 5930-01-025-9649, 3020-01-174-3780, 5962-01-460-9966. Verify interchangeability with system specifications before substitution.
Key specifications for 29-3410PK: FSC Application Data: PISTON REFRIGERATION COMPRESSOR; Overall Width: 0.0935 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT. 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.