The Ring,piston, cataloged under National Stock Number 4310-01-107-6746, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-107-6746 |
| Primary Part Number | S32152-339 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| FSC Application Data | ACFT LANDING GEAR |
| Material Document and Classification | 22-S3 MFR REF SINGLE MATERIAL RESPONSE OUTSIDE PERIPHERY |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE EXPANDER |
| Joint Style | STEP JOINT |
| Standard Bore Diameter | 3.618 INCHES IN |
| Material | PLASTIC TETRAFLUOROETHYLENE OUTSIDE PERIPHERY |
| Material | STEEL COMP 301 EXPANDER |
| 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 |
|---|---|
| S32152-339 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10110551 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74B410059-103 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 4310-01-107-6746 is a Ring,piston, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-107-6746 has 1 manufacturer part number on file: S32152-339 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for S32152-339: FSC Application Data: ACFT LANDING GEAR; Material Document and Classification: 22-S3 MFR REF SINGLE MATERIAL RESPONSE OUTSIDE PERIPHERY; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE EXPANDER; Joint Style: STEP 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.