The Seal Ring,metal, cataloged under National Stock Number 5330-01-543-2363, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-543-2363 |
| Primary Part Number | 51239NL1 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 51239NL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| PL3337810 FIND 26L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 51239N | 3/1 Design control — primary reference Grayloc Products, L.l.c |
| PL3337810 FIND 26 | 5/1 Secondary reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
NSN 5330-01-543-2363 is a Seal Ring,metal, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-543-2363 has 2 manufacturer part numbers on file: 51239NL1 (Naval Inventory Control Point Mechanicsburg), PL3337810 FIND 26L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 51239NL1: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: (DRAWING) SEAL RING; End Item Identification: FIRING VALVE ASSEMBLY; VALVE ASSEMBLY, FIRING AND BACKUP; Reference Number Differentiating Characteristics: MATERIAL CONROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONROL STANDARD FOR LEVEL I ITEMS. 2 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.