The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-503-7821, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Flowserve Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5330-01-503-7821 |
| Primary Part Number | 55026 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Flowserve Inc |
| Status | CANCELLED |
| Outside Diameter | 2.688 INCHES NOMINAL2.688 INCHES NOMINAL IN |
| Material | GRAPHITE SPIRAL WOUND FILLER |
| Style Designator | CIRCULAR |
| Aperture Diameter | 1.938 INCHES NOMINAL1.938 INCHES NOMINAL IN |
| Material | STEEL COMP 316 OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 55026 PRIMARY | Flowserve Inc (USA) |
| 59439A2 R01 ITEM 3 | Flowserve Inc (USA) |
| F-4715-10 | Flowserve Inc (USA) |
| 31107S-7-G33029 | Flowserve Inc (USA) |
NSN 5330-01-503-7821 is a Gasket,spiral Wound, manufactured by Flowserve Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.
NSN 5330-01-503-7821 has 4 cross-referenced part numbers: 55026 (Flowserve Inc), 59439A2 R01 ITEM 3 (Flowserve Inc), F-4715-10 (Flowserve Inc), 31107S-7-G33029 (Flowserve Inc).
There are 6 known substitutes for 5330-01-503-7821: 4730-00-277-9141, 6530-00-771-7025, 5355-00-953-5893 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 55026: Outside Diameter: 2.688 INCHES NOMINAL2.688 INCHES NOMINAL IN; End Item Identification: 1 1/2IN SWING CHECK VALVE1 1/2IN SWING CHECK VALVE IN; Material: GRAPHITE SPIRAL WOUND FILLER; Style Designator: CIRCULAR. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5330-01-503-7821 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.