The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-514-2820, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Mcmaster-Carr Supply Co. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-514-2820 |
| Primary Part Number | 9281K361 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 9281K361 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 9281K361 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 144403 | 3/2 Design control — primary reference U.S. Government activity |
| 20726GB017 FIND NO 18 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-01-514-2820 is a Seal Assembly,shaft,spring Loade, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-514-2820 has 1 manufacturer part number on file: 9281K361 (Mcmaster-Carr Supply Co).
Key specifications for 9281K361: Special Features: SHAFT SIZE: 1.25IN.; SEAL (OD): 1.734IN.; WORKING LENGTH: 1.062IN.; SEAT BORE: 1.875IN.; SEAT THICKNESS: 0.437IN.; MATERIAL: DIAPHRAGM - BUNA, WASHER - CARBON, SEAT - CERAMIC; MAX. PRESSURE: 250 PSI UNBALANCED, 650 PSI BALANCED: SPEED: 5000 FT/MIN.; TEMPERATURE RANGE FOR BUNA-N: -40 DEG F TO 190 DEG F; DUROMETER: SHORE A,65 IN; Part Name Assigned by Controlling Agency: PUMP SHAFT SEAL, STYLE 2; End Item Identification: TRANSMITTER UNIT - RUDDER ANGLE 144409; Material: STEEL CORROSION RESISTING. 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.