The Seal,plain Encased, cataloged under National Stock Number 5330-00-297-4449, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ambac International Corporation Div Ambac International. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5330-00-297-4449 |
| Primary Part Number | PK7621 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | CANCELLED |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 0.669 INCHES NOMINAL IN |
| Seal Width | 0.250 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC SEALING ELEMENT B |
| Sealing Element Style | ANGULAR-OPPOSED |
| Housing Bore Diameter | 1.119 INCHES NOMINAL IN |
| Material | LEATHER SEALING ELEMENT A |
| Accommodated Shaft Maximum Rated Speed | 1000 FEET PER MINUTE FT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 54295D | Komatsu American Intl Co (USA) |
| PK764 | Marine Engine Specialties Div of Mesco Tectonics Inc (USA) |
| S6100-697324PC32B | Naval Ship Systems Command (USA) |
| PK764 | Ambac International Corporation Div Ambac International (USA) |
| 6732 | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
| 54295D | Navistar International Corporation Dba Navistar (USA) |
| PK7621 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
| 54295D | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| GJN76-142PC123 | John Reiner & Co. Inc. (USA) |
| PK764 | New Monarch Machine Tool, Inc. Dba New Monarch Machine Tool Inc (USA) |
| 54295D | Komatsu America Corp. (USA) |
NSN 5330-00-297-4449 is a Seal,plain Encased, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 5330 (No Item Name Available). Status: cancelled.
NSN 5330-00-297-4449 has 11 cross-referenced part numbers: 54295D (Komatsu American Intl Co), PK764 (Marine Engine Specialties Div of Mesco Tectonics Inc), S6100-697324PC32B (Naval Ship Systems Command), PK764 (Ambac International Corporation Div Ambac International), 6732 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 6 more.
There are 11 known substitutes for 5330-00-297-4449: 4730-00-204-3491, 5961-00-442-7774, 5815-00-448-1378 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for PK7621: Case Style: SQUARE; Accommodated Shaft Diameter: 0.669 INCHES NOMINAL IN; Seal Width: 0.250 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT B. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5330-00-297-4449 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.