The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-494-8992, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is John Crane, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-494-8992 |
| Primary Part Number | CF-SP-72463 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Functional Description | USED ON FRESH WATER PUMP MODEL 3XBF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CF-SP-72463 PRIMARY | John Crane, Inc (USA) |
| 14516N18 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 14516N18 | 5/9 Secondary reference U.S. Government activity |
| 14436N18-429 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4320-01-494-8992 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-494-8992 has 2 manufacturer part numbers on file: CF-SP-72463 (John Crane, Inc), 14516N18 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for CF-SP-72463: Special Features: PARTS LIST NUMBER 14436N18-429 REFERENCES MECHANICAL SEAL P/N 14516N18; Functional Description: USED ON FRESH WATER PUMP MODEL 3XBF; End Item Identification: FRESH WATER PUMP MODEL 3XBF, USS DOLPHIN RESEARCH SUB. 1 specification is documented in the U.S. Government catalog.
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.