The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-357-7257, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950); Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9); John Crane, Inc (CAGE 71724) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-357-7257 |
| Primary Part Number | 11729-D-18A |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 13911N18 ITEM 429L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 11738-H-18 ITEM 429L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 11729-D-18A PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| PL-13911N18 ITEM 429L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| N98018 | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| 13911N18 ITEM 429 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 13911N18 ITEM 429 | 5/9 Secondary reference U.S. Government activity |
| N-SP-00155 XD95MO8O (INC.625) | 5/9 Secondary reference John Crane, Inc |
| PL-11256-F-18 ITEM 249X | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 11729-C-18A-SPCC | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| PL-11738-F-18 ITEM 429 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 11738-H-18 ITEM 429 | 5/9 Secondary reference U.S. Government activity |
| PL-11738-F-18 ITEM 429 | 5/9 Secondary reference U.S. Government activity |
| PL-13911N18 ITEM 429 | 5/9 Secondary reference U.S. Government activity |
| 11256-H-18 ITEM 429X | 5/9 Secondary reference U.S. Government activity |
| 11729-C-18A-SPCC | 5/9 Secondary reference U.S. Government activity |
| N-SP-00155 XD95M080 (INC.625) | 5/9 Secondary reference Defense Maritime Solutions, Inc. |
| PL-11256-F-18 ITEM 249X | 5/9 Secondary reference U.S. Government activity |
| 11256-H-18 ITEM 429X | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| PL-13911N18 ITEM 429 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 11738-H-18 ITEM 429 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
NSN 4320-01-357-7257 is a Seal Assembly,shaft,spring Loade, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-357-7257 has 5 manufacturer part numbers on file: 13911N18 ITEM 429L1 (Naval Inventory Control Point Mechanicsburg), 11738-H-18 ITEM 429L1 (Naval Inventory Control Point Mechanicsburg), 11729-D-18A (Curtiss-Wright Electro-Mechanical Corporation Div Epd), PL-13911N18 ITEM 429L1 (Naval Inventory Control Point Mechanicsburg), N98018 (John Crane, Inc).
No hazard code in the DLA record (HMIC N). 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.