The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-563-5047, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-563-5047 |
| Primary Part Number | GR6900800-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 |
|---|---|
| GR6900800-C380 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| SH-5529 80/50-0900 POS 48 | Arcos Hydraulik Aktiebolag (SWE) |
| 2-306539 POS 48 | Arcos Hydraulik Aktiebolag (SWE) |
| 900510 | Arcos Hydraulik Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| 900510 | 5/9 Secondary reference Pmc Cylinders Ab - Ca-Verken Ab |
| SH-5529 80/50-0900 POS 48 | 5/9 Secondary reference Pmc Cylinders Ab - Ca-Verken Ab |
| 2-306539 POS 48 | 5/9 Secondary reference Pmc Cylinders Ab - Ca-Verken Ab |
NSN 5330-01-563-5047 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 5330-01-563-5047 has 4 manufacturer part numbers on file: GR6900800-C380 (Trelleborg Sealing Solutions Us, Inc.), SH-5529 80/50-0900 POS 48 (Arcos Hydraulik Aktiebolag), 2-306539 POS 48 (Arcos Hydraulik Aktiebolag), 900510 (Arcos Hydraulik Aktiebolag).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-621-6933, 5306-01-645-6741. Verify interchangeability with system specifications before substitution.
Key specifications for GR6900800-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.