The Retainer,packing, cataloged under National Stock Number 5330-01-422-1249, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Retainer,packing |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div (CAGE 78770) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-422-1249 |
| Primary Part Number | B10021 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| B10021 PRIMARY | Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div (USA) |
| Reference | Meaning |
|---|---|
| PL092084-2 ITEM 25 | 5/9 Secondary reference Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div |
| B10021 | 5/9 Secondary reference Bus Boy Disposers |
| PL092084-2 ITEM 25 | 5/9 Secondary reference Bus Boy Disposers |
NSN 5330-01-422-1249 is a Retainer,packing, manufactured by Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-422-1249 has 1 manufacturer part number on file: B10021 (Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div).
1 possible match (shared part number, not a government interchangeability claim): 6930-01-640-6497. Verify interchangeability with system specifications before substitution.
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.