The Gasket,spiral Wound, cataloged under National Stock Number 5330-00-618-7771, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-618-7771 |
| Primary Part Number | N2497451 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER |
| Outside Diameter | 8.438 INCHES NOMINAL8.438 INCHES NOMINAL IN |
| Aperture Diameter | 7.562 INCHES NOMINAL7.562 INCHES NOMINAL IN |
| Material | GRAPHITE AND NICKEL ALLOY 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 |
|---|---|
| 24974 | Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU) |
| 12764NPC25 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| N2497451 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 23649NPC27 | C/1 Advisory reference — outside the item-of-supply concept Leslie Controls, Inc. Dba Leslie Controls Inc |
| 24974 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 5330-00-618-7771 is a Gasket,spiral Wound, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-618-7771 has 3 manufacturer part numbers on file: 24974 (Lineta Engineering Und Handelsgesell-Schaft Mbh), 12764NPC25 (Leslie Controls, Inc. Dba Leslie Controls Inc), N2497451 (Leslie Controls, Inc. Dba Leslie Controls Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5950-00-645-7601, 7045-01-403-2825, 5925-01-566-0373. Verify interchangeability with system specifications before substitution.
Key specifications for N2497451: Cross-Sectional Thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER; Outside Diameter: 8.438 INCHES NOMINAL8.438 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.