The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-508-4950, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-508-4950 |
| Primary Part Number | 641645 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 641645 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| 10120 PC 80 | Blackmer System One, Inc. Div Blackmer System One, Inc. (USA) |
| 641645 | Blackmer System One, Inc. Div Blackmer System One, Inc. (USA) |
| 981389 | Blackmer System One, Inc. Div Blackmer System One, Inc. (USA) |
NSN 4320-01-508-4950 is a Seal Assembly,shaft,spring Loade, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-508-4950 has 4 cross-referenced part numbers: 641645 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 10120 PC 80 (Blackmer System One, Inc. Div Blackmer System One, Inc.), 641645 (Blackmer System One, Inc. Div Blackmer System One, Inc.), 981389 (Blackmer System One, Inc. Div Blackmer System One, Inc.).
There is 1 known substitute for 4320-01-508-4950: 6650-01-469-0272. Verify interchangeability with system specifications before substitution.
Key specifications for 641645: Special Features: COMPLETE MECHANICAL SEAL ASSY DOES NOT INCLUDE SHAFT; End Item Identification: PUMP CTFGL; Part Name Assigned by Controlling Agency: SEAL ASSEMBLY,SHAFT. 3 total characteristics are documented in the Federal Logistics Information System.