The Plate,retaining,seal, cataloged under National Stock Number 5340-01-488-4998, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-488-4998 |
| Item Name | Plate,retaining,seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Mounting Hole Quantity | 54 |
| Mounting Method | UNTHREADED MOUNTING HOLES |
| Overall Thickness | 0.187 INCHES NOMINAL IN |
| Shape | RECTANGULAR |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 7068583 | D/9 Drawing number reference only Naval Sea Systems Command |
| H861-1702-49 | 3/2 Design control — primary reference U.S. Government activity |
| 721-7068584-49 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-488-4998 is a Plate,retaining,seal, classified under FSC 5340, Hardware, Commercial. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-488-5007, 5340-01-488-5011, 5340-01-488-5014. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-488-4998: Mounting Hole Quantity: 54; Mounting Method: UNTHREADED MOUNTING HOLES; Overall Thickness: 0.187 INCHES NOMINAL IN; Shape: RECTANGULAR. 5 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.