The Gasket, cataloged under National Stock Number 5330-00-221-4169, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rauland-Borg Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-221-4169 |
| Primary Part Number | QR0178L |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rauland-Borg Corp |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.094 INCHES NOMINAL IN |
| Hardness Rating | 30.0 SHORE DUROMETER A MINIMUM AND 35.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 1.453 INCHES NOMINAL IN |
| Outside Corner Bevel Length Along Width | 0.062 INCHES NOMINAL IN |
| Outside Corner Bevel Length Along Length | 0.062 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 1.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.141 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.154 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.141 INCHES NOMINAL 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 |
|---|---|
| QR0178L PRIMARY | Rauland-Borg Corp (USA) |
| QR0178-1 PRIMARY | Rauland-Borg Corp (USA) |
| Reference | Meaning |
|---|---|
| QR0178-1 | 5/9 Secondary reference Lewyt Corp |
| A232812 | 5/9 Secondary reference Navcom Defense Electronics, Inc. |
| QR0178L | 5/9 Secondary reference Lewyt Corp |
| SCB36133 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-221-4169 is a Gasket, manufactured by Rauland-Borg Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-221-4169 has 2 manufacturer part numbers on file: QR0178L (Rauland-Borg Corp), QR0178-1 (Rauland-Borg Corp).
Key specifications for QR0178L: Cross-Sectional Thickness: 0.094 INCHES NOMINAL IN; Hardness Rating: 30.0 SHORE DUROMETER A MINIMUM AND 35.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: NON-CIRCULAR; Overall Length: 1.906 INCHES NOMINAL IN. 14 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.