The Plug,leakproof Seal, cataloged under National Stock Number 5340-01-087-5936, 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. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-087-5936 |
| Primary Part Number | PL-999F0937 FN 101L1 |
| Item Name | Plug,leakproof Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| PL-999F0937 FN 101L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-999R0501 FIND 101L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 999R0501 FIND 101L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 999F0937 FN 101L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| PL-999F0937 FN 101 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 999F0937 FN 101 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| PL-999R0501-C FIND 101L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 999R0501 FIND 101 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 937B0054-5 | 3/1 Design control — primary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 999R0336 PIECE 55 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| PL-999R0501-C FIND 101 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| PL-999R0501 FIND 101 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 999R0336 PIECE 55L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| PL-999R0501-D FIND 101 | 5/1 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 937B0054-5L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| PL-999R0501-D FIND 101L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5340-01-087-5936 is a Plug,leakproof Seal, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-087-5936 has 4 manufacturer part numbers on file: PL-999F0937 FN 101L1 (Naval Inventory Control Point Mechanicsburg), PL-999R0501 FIND 101L1 (Naval Inventory Control Point Mechanicsburg), 999R0501 FIND 101L1 (Naval Inventory Control Point Mechanicsburg), 999F0937 FN 101L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-231-5370. Verify interchangeability with system specifications before substitution.
Key specifications for PL-999F0937 FN 101L1: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL 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.