The Retainer,packing, cataloged under National Stock Number 5330-01-218-3247, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-218-3247 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.750 INCHES NOMINAL IN |
| Attachment Feature Quantity | 2 |
| Cross-Sectional Height | 3.000 INCHES NOMINAL IN |
| Body Recess Diameter | 2.125 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A105 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A216 GRADE WCB ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Attachment Feature Circle Diameter | 4.990 INCHES MINIMUM AND 5.010 INCHES MAXIMUM SINGLE CIRCLE IN |
| Flanged Body Outside Diameter | 2.520 INCHES MINIMUM AND 2.525 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.762 INCHES MINIMUM AND 1.770 INCHES MAXIMUM IN |
| Material | STEEL UNS K03504 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 |
| Reference | Meaning |
|---|---|
| 803-2177142-6XX-12 | 5/9 Secondary reference Morland Valve Co Inc Sub of Smith Valve Corp |
| 803-2177142-6XX-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-218-3247 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): 4820-01-346-5569. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-218-3247: Attachment Hole Diameter: 0.750 INCHES NOMINAL IN; Attachment Feature Quantity: 2; Cross-Sectional Height: 3.000 INCHES NOMINAL IN; Body Recess Diameter: 2.125 INCHES NOMINAL IN. 10 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.