The Ring,piston, cataloged under National Stock Number 4310-00-128-0736, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Altec Air, Llc Dba Altec Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4310-00-128-0736 |
| Primary Part Number | 6486 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Altec Air, Llc Dba Altec Llc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | STEP JOINT |
| Radial Wall Thickness | 0.0760 INCHES MINIMUM AND 0.0860 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Standard Bore Diameter | 2.000 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 |
|---|---|
| 6486 PRIMARY | Altec Air, Llc Dba Altec Llc (USA) |
| Reference | Meaning |
|---|---|
| 6486 | 5/1 Secondary reference Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor |
NSN 4310-00-128-0736 is a Ring,piston, manufactured by Altec Air, Llc Dba Altec Llc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-128-0736 has 1 manufacturer part number on file: 6486 (Altec Air, Llc Dba Altec Llc).
4 possible matches (shared part number, not a government interchangeability claim): 5310-00-484-6789, 5310-00-524-0894, 5950-00-762-7694. Verify interchangeability with system specifications before substitution.
Key specifications for 6486: Overall Width: 0.0930 INCHES MINIMUM AND 0.0990 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: STEP JOINT; Radial Wall Thickness: 0.0760 INCHES MINIMUM AND 0.0860 INCHES MAXIMUM IN. 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.