The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-279-2321, 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 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 — No Item Name Available (FSG 43) |
| Manufacturers | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524); Advanced Seal Technology Inc (CAGE 1ED54); Technetics Group Chicago Llc (CAGE 09456) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-279-2321 |
| Primary Part Number | 335159 |
| 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 | CANCELLED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 930776 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| PFS-2321-21 REV C | Advanced Seal Technology Inc (USA) |
| LO-8504 REV E | Technetics Group Chicago Llc (USA) |
| 335160 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| E-4505 ITEM 153C | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| 335159 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
NSN 4320-01-279-2321 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: cancelled.
NSN 4320-01-279-2321 has 6 cross-referenced part numbers: 930776 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), PFS-2321-21 REV C (Advanced Seal Technology Inc), LO-8504 REV E (Technetics Group Chicago Llc), 335160 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4505 ITEM 153C (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer) and 1 more.
There are 2 known substitutes for 4320-01-279-2321: 6685-00-273-1618, 8465-01-526-3254. Verify interchangeability with system specifications before substitution.
NSN 4320-01-279-2321 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.