The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-444-3291, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-444-3291 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Overall Diameter | 2.001 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN |
| Special Test Features | OPERATING TEMPERATURE: -65F TO 280F, MAXIMUM DIFFERENTIAL PRESSURE: 5 PSIG, HIGHER PRESSURE ON OIL SIDE (NORMAL DIFF PRESSURE; 3 PSIG),SERVICE LIFE: 5000HRS |
| Supplementary Features | WEIGHT: .23LBS LBS |
| 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 | F |
| Reference | Meaning |
|---|---|
| 901-345-513-101 | 1/2 Source control — Government-approved source U.S. Government activity |
| 1-1467-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-01-444-3291 is a Seal Assembly,shaft,spring Loade, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-444-3291: Overall Diameter: 2.001 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN; Special Test Features: OPERATING TEMPERATURE: -65F TO 280F, MAXIMUM DIFFERENTIAL PRESSURE: 5 PSIG, HIGHER PRESSURE ON OIL SIDE (NORMAL DIFF PRESSURE; 3 PSIG),SERVICE LIFE: 5000HRS; Supplementary Features: WEIGHT: .23LBS LBS; Special Features: TEST / QUALIFICATION REFERENCE: VTDE 113286 BHTI REPORT 901-993-852. 4 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.