The Retainer,packing, cataloged under National Stock Number 5330-01-090-8337, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-090-8337 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.105 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Peripheral Diameter | 0.442 INCHES NOMINAL IN |
| Center Hole Diameter | 0.250 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | CLEANED IN ACCORDANCE WITH MIL-P-52211 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 300-528P8 | 5/1 Secondary reference Biomarine Inc |
| 3506-7 | 3/9 Design control — primary reference Harsco Corp Sherwood Div |
| 3506-7CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 300-528P8CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5330-01-090-8337 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-706-5889. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-090-8337: Cross-Sectional Height: 0.105 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Peripheral Diameter: 0.442 INCHES NOMINAL IN; Center Hole Diameter: 0.250 INCHES NOMINAL IN. 5 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.