The Seal Ring,metal, cataloged under National Stock Number 5330-00-851-7965, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Steward Machine Co Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-851-7965 |
| Primary Part Number | 644-414 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Steward Machine Co Inc |
| Status | ACTIVE |
| Ring Style | EXPANDING CONCENTRIC |
| Radial Wall Thickness | 0.1790 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| FSC Application Data | PUMP,CENTRIFUGAL |
| Joint Style | STEP JOINT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5330-00-851-7965 is a Seal Ring,metal, manufactured by Steward Machine Co Inc, classified under FSC 5330 (No Item Name Available). Status: active.
NSN 5330-00-851-7965 has 3 cross-referenced part numbers: 644-414 (Hardie-Tynes Co., Inc.), 42715 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 644-414 (Steward Machine Co Inc).
There are 5 known substitutes for 5330-00-851-7965: 6240-00-055-9519, 2940-00-240-9237, 2805-00-374-3110 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 644-414: Ring Style: EXPANDING CONCENTRIC; Overall Width: 0.1850 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN; Radial Wall Thickness: 0.1790 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE. 8 total characteristics are documented in the Federal Logistics Information System.