The Gasket, cataloged under National Stock Number 5330-00-255-6491, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5330-00-255-6491 |
| Primary Part Number | BB58S59-21PC7 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 2.250 INCHES NOMINAL IN |
| Aperture Diameter | 1.750 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-A-17472 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Material | ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BB58S59-21PC7 PRIMARY | Naval Ship Systems Command (USA) |
| BB58S59-31PC6 PRIMARY | Naval Ship Systems Command (USA) |
| 190203PC6 | Johnson Controls Navy Systems, Llc (USA) |
| BB58S59-039PC7 PRIMARY | Naval Ship Systems Command (USA) |
| AR5S59-60PC6 PRIMARY | Naval Ship Systems Command (USA) |
| BB61S59-015PC7 PRIMARY | Naval Ship Systems Command (USA) |
| BB58S59-31PC7 PRIMARY | Naval Ship Systems Command (USA) |
| 186060PC7 | Johnson Controls Navy Systems, Llc (USA) |
| H3178626PC10 PRIMARY | Naval Ship Systems Command (USA) |
| BB61S59-46PC7 PRIMARY | Naval Ship Systems Command (USA) |
| BB57S59-05PC7 PRIMARY | Naval Ship Systems Command (USA) |
| AR5S59-25PC7 PRIMARY | Naval Ship Systems Command (USA) |
| 181803PC7 | Johnson Controls Navy Systems, Llc (USA) |
| CB1S5901-92PC7 PRIMARY | Naval Ship Systems Command (USA) |
| 420600PC7 | Johnson Controls Navy Systems, Llc (USA) |
| 181829PC6 | Johnson Controls Navy Systems, Llc (USA) |
| 192273PC6 | Johnson Controls Navy Systems, Llc (USA) |
| 51107S59-762PC7 PRIMARY | Naval Ship Systems Command (USA) |
| AD14S59-100PC7 PRIMARY | Naval Ship Systems Command (USA) |
| AK29S59-98PC7 PRIMARY | Naval Ship Systems Command (USA) |
NSN 5330-00-255-6491 is a Gasket, manufactured by Naval Ship Systems Command, classified under FSC 5330 (No Item Name Available). Status: cancelled.
NSN 5330-00-255-6491 has 50 cross-referenced part numbers: BB58S59-21PC7 (Naval Ship Systems Command), BB58S59-31PC6 (Naval Ship Systems Command), 190203PC6 (Johnson Controls Navy Systems, Llc), BB58S59-039PC7 (Naval Ship Systems Command), AR5S59-60PC6 (Naval Ship Systems Command) and 45 more.
There are 12 known substitutes for 5330-00-255-6491: 5905-00-106-3666, 1660-00-518-6850, 5305-00-536-1561 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for BB58S59-21PC7: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 2.250 INCHES NOMINAL IN; Aperture Diameter: 1.750 INCHES NOMINAL IN; Style Designator: CIRCULAR. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5330-00-255-6491 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.