The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-563-5037, 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.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-563-5037 |
| Primary Part Number | GR6900500-C380 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| GR6900500-C380 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| 2-306539 POS 47 | Arcos Hydraulik Aktiebolag (SWE) |
| 914425 | Arcos Hydraulik Aktiebolag (SWE) |
| SH-5529 80/50-0900 POS 47 | Arcos Hydraulik Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| 914425 | 5/9 Secondary reference Pmc Cylinders Ab - Ca-Verken Ab |
| SH-5529 80/50-0900 POS 47 | 5/9 Secondary reference Pmc Cylinders Ab - Ca-Verken Ab |
| 2-306539 POS 47 | 5/9 Secondary reference Pmc Cylinders Ab - Ca-Verken Ab |
NSN 5330-01-563-5037 is a Back-Up Ring,preformed Packing, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-563-5037 has 4 manufacturer part numbers on file: GR6900500-C380 (Trelleborg Sealing Solutions Us, Inc.), 2-306539 POS 47 (Arcos Hydraulik Aktiebolag), 914425 (Arcos Hydraulik Aktiebolag), SH-5529 80/50-0900 POS 47 (Arcos Hydraulik Aktiebolag).
Key specifications for GR6900500-C380: Special Features: NHA: CYLINDER,HYDRAULIC 6505529-0900; Part Name Assigned by Controlling Agency: RING,GUIDE; End Item Identification: NEW CONSTRUCTION LCS1. 0 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.