The Seal,plain Encased, cataloged under National Stock Number 5330-01-115-7243, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-115-7243 |
| Primary Part Number | 145DS024-14 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Seal Width | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 4.499 INCHES MINIMUM AND 4.502 INCHES MAXIMUM IN |
| Accommodated Shaft Maximum Rated Speed | 96000 FEET PER MINUTE FT |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 2.999 INCHES MINIMUM AND 3.001 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 145DS024-14 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 145DS024-14 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 537741 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2890-43072 | 5/9 Secondary reference Precision Seals Inc |
| 537741-85 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-115-7243 is a Seal,plain Encased, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-115-7243 has 2 manufacturer part numbers on file: 145DS024-14 (Leonardo Spa Helicopters Division - Production Site), 145DS024-14 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-311-6861. Verify interchangeability with system specifications before substitution.
Key specifications for 145DS024-14: Seal Width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 4.499 INCHES MINIMUM AND 4.502 INCHES MAXIMUM IN; Accommodated Shaft Maximum Rated Speed: 96000 FEET PER MINUTE FT. 7 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.
NSN 5330-01-115-7243 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.