The Packing,preformed, cataloged under National Stock Number 5330-00-800-8780, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Minnesota Rubber Co. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-800-8780 |
| Primary Part Number | Q53 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Minnesota Rubber Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.250 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SPECIAL |
| Peripheral Diameter | 5.125 INCHES NOMINAL IN |
| Center Hole Diameter | 4.625 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| Q53 PRIMARY | Minnesota Rubber Co (USA) |
| Reference | Meaning |
|---|---|
| Q4426-445A | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| V2940PC39 | 5/9 Secondary reference Tyco Fire Products Lp |
NSN 5330-00-800-8780 is a Packing,preformed, manufactured by Minnesota Rubber Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-800-8780 has 1 manufacturer part number on file: Q53 (Minnesota Rubber Co).
3 possible matches (shared part number, not a government interchangeability claim): 3820-00-802-7015, 5330-01-357-7244, 7030-01-725-0115. Verify interchangeability with system specifications before substitution.
Key specifications for Q53: Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: SPECIAL; Peripheral Diameter: 5.125 INCHES NOMINAL IN; Center Hole Diameter: 4.625 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.