The Seal,plain, cataloged under National Stock Number 5330-01-642-8344, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-642-8344 |
| Primary Part Number | 251511 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Seal Width | 0.187 INCHES NOMINAL IN |
| Construction | TWO-PIECE |
| Accommodated Shaft Diameter | 1.250 INCHES NOMINAL IN |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | STEEL SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 251511 PRIMARY | The Timken Corporation (USA) |
| 845-7526489-2-6-A-3-N-D-38 | Naval Sea Systems Command (USA) |
| 845-7526489 | Naval Sea Systems Command (USA) |
NSN 5330-01-642-8344 is a Seal,plain, manufactured by The Timken Corporation, classified under FSC 5330 (No Item Name Available). Status: active.
NSN 5330-01-642-8344 has 3 cross-referenced part numbers: 251511 (The Timken Corporation), 845-7526489-2-6-A-3-N-D-38 (Naval Sea Systems Command), 845-7526489 (Naval Sea Systems Command).
There are 3 known substitutes for 5330-01-642-8344: 5305-00-068-0498, 3110-00-463-9193, 4420-01-270-6512. Verify interchangeability with system specifications before substitution.
Key specifications for 251511: End Item Identification: MANUAL WORM GEAR OPERATOR; Part Name Assigned by Controlling Agency: SEAL, SINGLE LIP, OIL; Seal Width: 0.187 INCHES NOMINAL IN; Construction: TWO-PIECE. 8 total characteristics are documented in the Federal Logistics Information System.