The Retainer,packing, cataloged under National Stock Number 5330-01-351-7125, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-351-7125 |
| Primary Part Number | S34781-330T5 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.372 INCHES NOMINAL IN |
| Material Document and Classification | MIL-P-83461 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Material Document and Classification | TURCON 5,CAGEC 97820 MFR REF SINGLE MATERIAL RESPONSE RETAINER |
| Cross-Sectional Shape Style | DELTA |
| Angle | 0.020 RADIANS MINIMUM AND 0.035 RADIANS MAXIMUM |
| Peripheral Diameter | 2.493 INCHES MINIMUM AND 2.495 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.119 INCHES MINIMUM AND 2.121 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE RETAINER |
| 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 |
|---|---|
| S34781-330T5 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S34781-330T5 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-351-7125 is a Retainer,packing, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-351-7125 has 1 manufacturer part number on file: S34781-330T5 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for S34781-330T5: Cross-Sectional Height: 0.372 INCHES NOMINAL IN; Material Document and Classification: MIL-P-83461 MIL SPEC SINGLE MATERIAL RESPONSE PACKING; Material Document and Classification: TURCON 5,CAGEC 97820 MFR REF SINGLE MATERIAL RESPONSE RETAINER; Cross-Sectional Shape Style: DELTA. 9 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.