The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-00-435-7655, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-435-7655 |
| Primary Part Number | 10664790 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF P/N D297 SPRING 1; P/N DI1375218 ADAPTER,SPRING 1; P/N D1375247 BELLOWS 1; P/N D137522 BAND DRIVE 1; P/N D137553 DISC 1; P/N D137560 RETAINER 1; P/N D137577 WASHER 1; P/N D1375871 SEAT 2; P/N D1375808 SEAT RING 1; GLAND; 1.093 IN,ID; 2.000 IN. OD; 3.250 IN. O/A H IN |
| 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 |
|---|---|
| 10664790 PRIMARY | Us Army Aviation and Missile Command (USA) |
| F-SP-12311 | Defense Maritime Solutions, Inc. (USA) |
| F-SP-12311 | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| F-SP-12311 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 4320-00-435-7655 is a Seal Assembly,shaft,spring Loade, manufactured by Us Army Aviation and Missile Command, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-435-7655 has 3 manufacturer part numbers on file: 10664790 (Us Army Aviation and Missile Command), F-SP-12311 (Defense Maritime Solutions, Inc.), F-SP-12311 (John Crane, Inc).
Key specifications for 10664790: General Characteristics Item Description: CONSISTS OF P/N D297 SPRING 1; P/N DI1375218 ADAPTER,SPRING 1; P/N D1375247 BELLOWS 1; P/N D137522 BAND DRIVE 1; P/N D137553 DISC 1; P/N D137560 RETAINER 1; P/N D137577 WASHER 1; P/N D1375871 SEAT 2; P/N D1375808 SEAT RING 1; GLAND; 1.093 IN,ID; 2.000 IN. OD; 3.250 IN. O/A H IN. 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.