The Retainer,packing, cataloged under National Stock Number 5330-01-285-7109, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-285-7109 |
| Primary Part Number | 1889668 PIECE 8 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Height | 0.108 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-B-637,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 3.312 INCHES NOMINAL IN |
| Center Hole Diameter | 2.750 INCHES NOMINAL IN |
| Material | COPPER ALLOY 464 OVERALL |
| 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 |
|---|---|
| 1889668 PIECE 8 | Naval Sea Systems Command (USA) |
| SS845-1889668 PIECE 8 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2620-823 PIECE 8 | 5/2 Secondary reference U.S. Government activity |
| 1889668 PC 8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-285-7109 is a Retainer,packing, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-285-7109 has 2 manufacturer part numbers on file: 1889668 PIECE 8 (Naval Sea Systems Command), SS845-1889668 PIECE 8 (Naval Sea Systems Command).
Key specifications for 1889668 PIECE 8: Cross-Sectional Height: 0.108 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN; Material Document and Classification: QQ-B-637,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 3.312 INCHES NOMINAL IN. 6 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.