The Retainer,packing, cataloged under National Stock Number 5330-00-168-0888, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-168-0888 |
| Primary Part Number | 5190439 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.375 INCHES NOMINAL IN |
| Attachment Feature Quantity | 2 |
| Cross-Sectional Height | 0.531 INCHES NOMINAL IN |
| Flanged Body Outside Diameter | 1.118 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.812 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Attachment Method | ROUND HOLE |
| 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 |
|---|---|
| 5190439 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 105 | Industrial Technologies and Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 5190439 | 5/9 Secondary reference General Motors Corp |
| PC5190439 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
NSN 5330-00-168-0888 is a Retainer,packing, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-168-0888 has 2 manufacturer part numbers on file: 5190439 (Rolls-Royce Solutions America Inc), 105 (Industrial Technologies and Services Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-212-6505. Verify interchangeability with system specifications before substitution.
Key specifications for 5190439: Attachment Hole Diameter: 0.375 INCHES NOMINAL IN; Attachment Feature Quantity: 2; Cross-Sectional Height: 0.531 INCHES NOMINAL IN; Flanged Body Outside Diameter: 1.118 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN. 7 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.