The Pin,piston, cataloged under National Stock Number 4130-00-277-3860, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is C & D Equipment Company, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4130-00-277-3860 |
| Primary Part Number | 55153 |
| Item Name | Pin,piston |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | C & D Equipment Company, Inc. |
| Status | ACTIVE |
| Body Style | RADII ENDS |
| Radius | 0.030 INCHES NOMINAL IN |
| Hole Arrangement Style | ONE HOLE THRU ONE SIDE OF BORE |
| Bore Style | INSIDE RADII STRAIGHT-THRU BORE |
| Hole Depth | 0.3125 INCHES NOMINAL IN |
| Material Document and Classification | SAE 3115 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.12450 INCHES MINIMUM AND 1.12500 INCHES MAXIMUM IN |
| Body Length | 4.0000 INCHES NOMINAL IN |
| Casehardening Indicator | CASEHARDENED |
| Bore Diameter | 0.8125 INCHES NOMINAL IN |
| Material | STEEL COMP 3115 |
| Metallic Hardness Rating | 57.0 MINIMUM ROCKWELL C AND 63.0 MAXIMUM ROCKWELL C |
| Distance From Centerline of Hole to End of Pin | 0.625 INCHES NOMINAL IN |
| Hole Diameter | 0.2656 INCHES NOMINAL IN |
| Bore Radius | 0.030 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 |
|---|---|
| 55153 PRIMARY | C & D Equipment Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MR5857-007PC40 | 5/9 Secondary reference Carrier Corp |
| 55153 | 5/9 Secondary reference Carrier Corp |
NSN 4130-00-277-3860 is a Pin,piston, manufactured by C & D Equipment Company, Inc., classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-00-277-3860 has 1 manufacturer part number on file: 55153 (C & D Equipment Company, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 6685-00-924-0755, 5310-01-133-4865, 7710-01-422-0215. Verify interchangeability with system specifications before substitution.
Key specifications for 55153: Body Style: RADII ENDS; Radius: 0.030 INCHES NOMINAL IN; Hole Arrangement Style: ONE HOLE THRU ONE SIDE OF BORE; Bore Style: INSIDE RADII STRAIGHT-THRU BORE. 15 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.