The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-480-9934, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-480-9934 |
| Primary Part Number | S38588-127-29 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Material Document and Classification | TURCON 29 MFR REF SINGLE MATERIAL RESPONSE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| S38588-127-29 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 84002161-127 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-480-9934 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 5330-01-480-9934 has 1 manufacturer part number on file: S38588-127-29 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for S38588-127-29: Criticality Code Justification: AGAV; Material Document and Classification: TURCON 29 MFR REF SINGLE MATERIAL RESPONSE; Special Features: 15% CARBON FIBER FILL;SCARF CUT; Part Name Assigned by Controlling Agency: RETAINER,PACKING,AI. 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.