The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-137-4545, 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-137-4545 |
| Primary Part Number | M49084 |
| 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 | CONSISTS OF VITON O-RINGS AND BELLOWS; NICKEL BOUND TUNGSTEN CARBIDE STATIONARY MATING RING; AND STAINLESS STEELTYPE 316 SPRINGS AND METAL PARTS |
| 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 |
|---|---|
| M49084 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| 320-1750-000 | 5/9 Secondary reference Marshall-Orr Ltd |
| CFSP-80303 | 5/9 Secondary reference John Crane, Inc |
| 36701 ITEM 69 | 5/9 Secondary reference Separation & Recovery Systems Inc |
| 320-1750-000 | 5/9 Secondary reference Robbins and Myers Inc |
| PC1204-40 | 5/9 Secondary reference Parmatic Pollution Control Corporation Dba Parmatic Filter |
| 320-1750-000 | 5/9 Secondary reference U.S. Government activity |
| CFS80303/X/QF2010151316 | 5/9 Secondary reference John Crane, Inc |
| 36701 ITEM 69 | C/1 Advisory reference — outside the item-of-supply concept Robbins and Myers Inc |
| CFSP67468/BF501C1 | 5/9 Secondary reference John Crane, Inc |
| CFS80303/X/QF2010151316 | 3/9 Design control — primary reference Wartsila Lips Inc |
NSN 4320-01-137-4545 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-137-4545 has 1 manufacturer part number on file: M49084 (John Crane, Inc).
Key specifications for M49084: General Characteristics Item Description: CONSISTS OF VITON O-RINGS AND BELLOWS; NICKEL BOUND TUNGSTEN CARBIDE STATIONARY MATING RING; AND STAINLESS STEELTYPE 316 SPRINGS AND METAL PARTS. 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.