The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-441-8076, 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 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-441-8076 |
| Primary Part Number | M28101 |
| 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 | INSIDE DIAMETER: 1.750 |
| Material | STEEL CORROSION RESISTING AND RESIN |
| 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 |
|---|---|
| RX-174010 ITEM 80 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| M28101 PRIMARY | John Crane, Inc (USA) |
| P02879-00 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| M28101 | 5/9 Secondary reference Crane John Lemco Inc Sub of Crane John Inc |
| RX-174010 ITEM 80 | 5/9 Secondary reference U.S. Government activity |
| A15533-PC27S | 5/9 Secondary reference U.S. Government activity |
| P02879-00 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-01-441-8076 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-441-8076 has 3 manufacturer part numbers on file: RX-174010 ITEM 80 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), M28101 (John Crane, Inc), P02879-00 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for M28101: General Characteristics Item Description: INSIDE DIAMETER: 1.750; End Item Identification: 4320-01-441-5822); MARS CLASS AFS; Material: STEEL CORROSION RESISTING AND RESIN. 2 specifications are 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.