The Packing Assembly, cataloged under National Stock Number 5330-01-432-3740, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-432-3740 |
| Primary Part Number | S-55381-0480-101 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Operating Medium | HYDRAULIC FLUID |
| Inside Diameter | 48.0 MILLIMETERS NOMINAL MM |
| Functional Description | RECIPROCATING ROD AND PISTON STEP SEAL |
| 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 |
|---|---|
| S-55381-0480-101 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S-55381-0480-101 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-432-3740 is a Packing Assembly, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-432-3740 has 1 manufacturer part number on file: S-55381-0480-101 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for S-55381-0480-101: Operating Medium: HYDRAULIC FLUID; Inside Diameter: 48.0 MILLIMETERS NOMINAL MM; Functional Description: RECIPROCATING ROD AND PISTON STEP SEAL; End Item Identification: TANK,COMBAT. 3 specifications are 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.