The Gasket, cataloged under National Stock Number 5330-00-146-4050, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-146-4050 |
| Primary Part Number | QD538A |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.016 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN |
| Aperture Length | 1.250 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Center to Center Distance Between Bolt Holes Along Length | 1.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Corner Radius | 0.375 INCHES NOMINAL IN |
| Hole Diameter | 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| QD538A PRIMARY | Wisconsin Motors, Llc (USA) |
| QD538A | Heil Environmental Industries (USA) |
| 3-16QD538A144 | Asphalt Equipment Co Inc (USA) |
| Reference | Meaning |
|---|---|
| FP612 | 5/9 Secondary reference Blackstone Mfg Co Inc |
| QD538A | 5/9 Secondary reference Butler Manufacturing Company Inc |
NSN 5330-00-146-4050 is a Gasket, manufactured by Wisconsin Motors, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-146-4050 has 3 manufacturer part numbers on file: QD538A (Wisconsin Motors, Llc), QD538A (Heil Environmental Industries), 3-16QD538A144 (Asphalt Equipment Co Inc).
Key specifications for QD538A: Cross-Sectional Thickness: 0.016 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN; Overall Length: 2.500 INCHES NOMINAL IN; Overall Width: 2.072 INCHES NOMINAL IN; Aperture Length: 1.250 INCHES NOMINAL IN. 6 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.