The Retainer,packing, cataloged under National Stock Number 5330-00-628-2920, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-628-2920 |
| Primary Part Number | 6282920 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Attachment Feature Quantity | 4 |
| Cross-Sectional Height | 2.938 INCHES NOMINAL IN |
| Material Document and Classification | SAE 32510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Flanged Body Outside Diameter | 3.247 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN |
| Material | IRON MALLEABLE OVERALL |
| Body Recess Depth | 1.093 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6282920 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 0E278 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-00-628-2920 is a Retainer,packing, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-628-2920 has 1 manufacturer part number on file: 6282920 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-532-3440. Verify interchangeability with system specifications before substitution.
Key specifications for 6282920: Attachment Feature Quantity: 4; Cross-Sectional Height: 2.938 INCHES NOMINAL IN; Material Document and Classification: SAE 32510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Flanged Body Outside Diameter: 3.247 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN. 8 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.