The Ring,piston, cataloged under National Stock Number 4310-01-228-6946, 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 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4310-01-228-6946 |
| Primary Part Number | S13126-43-5 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC,VACUUM,DEICINGSYSTEMS |
| 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 |
|---|---|
| S13126-43-5 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| 920253-43 | Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA) |
| Reference | Meaning |
|---|---|
| TF010-43-A | C/1 Advisory reference — outside the item-of-supply concept Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc |
| S13126-43C5PH | 5/9 Secondary reference U.S. Government activity |
| TF010-43-A | 5/9 Secondary reference Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo |
| S13126-43-5PH | 5/9 Secondary reference U.S. Government activity |
| S13126-43-5PH | 3/9 Design control — primary reference Trelleborg Sealing Solutions Us, Inc. |
NSN 4310-01-228-6946 is a Ring,piston, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-228-6946 has 2 manufacturer part numbers on file: S13126-43-5 (Trelleborg Sealing Solutions Us, Inc.), 920253-43 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City).
Key specifications for S13126-43-5: FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICINGSYSTEMS; Special Features: EACH RING SET CONSIST OF 2-PISTONRINGS-MATERIAL TFE-1-EXPANDER-MATERIAL301 CRES OR 17-7PH CRES; End Item Identification: C-5B AIRCRAFT. 1 specification is 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.