The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-579-1007, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-579-1007 |
| Primary Part Number | AS1660-0477/AS1650-0157 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Relationship to Similar Equipment | SIMILAR TO 4320-01-530-3913 AND DIFFERENT USABLE-ON CODE FOR 5330-01-361-1412 |
| Reference Data and Literature | PARTS LIST A1-412AC-140-040 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AS1660-0477/AS1650-0157 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10370280 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4320-01-579-1007 is a Seal Assembly,shaft,spring Loade, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-579-1007 has 1 manufacturer part number on file: AS1660-0477/AS1650-0157 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for AS1660-0477/AS1650-0157: Relationship to Similar Equipment: SIMILAR TO 4320-01-530-3913 AND DIFFERENT USABLE-ON CODE FOR 5330-01-361-1412; Reference Data and Literature: PARTS LIST A1-412AC-140-040; Part Name Assigned by Controlling Agency: SEAL, PLAIN; End Item Identification: F-18 AIRCRAFT ACTUATOR 301460. 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.
NSN 4320-01-579-1007 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.