The Plug,leakproof Seal, cataloged under National Stock Number 5340-01-443-5602, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Plug,leakproof Seal |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-443-5602 |
| Primary Part Number | 937A007411L1 |
| Item Name | Plug,leakproof Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 937A007411L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 999F0937 FN 102L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-999F0937 FN 102L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-999R0501-C PIECE 102L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| PL-999F0937 FN 102 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 999F0937 FN 102 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 987A007411 | 3/1 Design control — primary reference Circor Naval Solutions Llc Dba Warren Pumps |
NSN 5340-01-443-5602 is a Plug,leakproof Seal, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-443-5602 has 4 manufacturer part numbers on file: 937A007411L1 (Naval Inventory Control Point Mechanicsburg), 999F0937 FN 102L1 (Naval Inventory Control Point Mechanicsburg), PL-999F0937 FN 102L1 (Naval Inventory Control Point Mechanicsburg), PL-999R0501-C PIECE 102L1 (Naval Inventory Control Point Mechanicsburg).
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.