The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-413-2191, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-413-2191 |
| Primary Part Number | B735-37 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | OUTSIDE DIAMETER 1.75 INCHES; INSIDE DIAMETER 1 INCH; MADE OF MONEL,VITRON, TUNGSTON IN |
| 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 |
|---|---|
| B735-37 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| 14033990 | 5/9 Secondary reference Grundfos Cbs, Inc Dba Paco Pumps |
NSN 4320-01-413-2191 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-413-2191 has 1 manufacturer part number on file: B735-37 (John Crane, Inc).
Key specifications for B735-37: General Characteristics Item Description: OUTSIDE DIAMETER 1.75 INCHES; INSIDE DIAMETER 1 INCH; MADE OF MONEL,VITRON, TUNGSTON IN; End Item Identification: PUMP UNIT, CENTRIFUGAL, PART NUMBER 16-25707-X401XX-1852 ABOARD 225 FT WLB COAST GUARD VESSELS FT. 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.