The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-054-4841, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Fdh Defense Aftermarket, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-054-4841 |
| Primary Part Number | 3803-13 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Fdh Defense Aftermarket, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF CARBON FACE SEAL AND RETAINER;INTERNAL PRESSURES OF M14.7 TO 100 PSIG;TEMPERATURES OF M65 TO P400DEG F;ACCOMMODATED SHAFT DIA 0.843;SEAL FLANGE DIA 1.541 |
| 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 |
|---|---|
| 3803-13 | Fdh Defense Aftermarket, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3803-13 | 3/2 Design control — primary reference U.S. Government activity |
| 3803-13 | 5/9 Secondary reference Unical Aviation, Inc. |
NSN 4320-01-054-4841 is a Seal Assembly,shaft,spring Loade, manufactured by Fdh Defense Aftermarket, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-054-4841 has 1 manufacturer part number on file: 3803-13 (Fdh Defense Aftermarket, Llc).
Key specifications for 3803-13: General Characteristics Item Description: CONSISTS OF CARBON FACE SEAL AND RETAINER;INTERNAL PRESSURES OF M14.7 TO 100 PSIG;TEMPERATURES OF M65 TO P400DEG F;ACCOMMODATED SHAFT DIA 0.843;SEAL FLANGE DIA 1.541. 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.