The Stepseal, cataloged under National Stock Number 5330-01-174-6839, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-174-6839 |
| Primary Part Number | S55013-0900-46 |
| Item Name | Stepseal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | TURCITE; 90MM ROD DIA; 105.5MM GROOVE DIA; 7.75MM GROOVE DEPTH; 6.3MM GROOVE DIA; 1.2MM RADIUS; 94.62MM ID 5.33MM CROSS SECTION O-RING MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S55013-0900-46 | Satair A/s (DNK) |
| S55013-0900-46 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S55013-0900-46 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-174-6839 is a Stepseal, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-174-6839 has 2 manufacturer part numbers on file: S55013-0900-46 (Satair A/s), S55013-0900-46 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for S55013-0900-46: General Characteristics Item Description: TURCITE; 90MM ROD DIA; 105.5MM GROOVE DIA; 7.75MM GROOVE DEPTH; 6.3MM GROOVE DIA; 1.2MM RADIUS; 94.62MM ID 5.33MM CROSS SECTION O-RING MM. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.