The Bearing,sleeve, cataloged under National Stock Number 3120-00-218-4177, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-218-4177 |
| Primary Part Number | L21 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Keyway Dimension | 0.1875 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN |
| Flange Outside Diameter | 3.3125 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Keyway Dimension | 0.0937 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| Corner Shape | SQUARE ALL CORNERS |
| Keyway Dimension | 1.7500 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN |
| Flange Width | 0.3750 INCHES NOMINAL IN |
| Body Inside Diameter | 0.8750 INCHES NOMINAL IN |
| Body Outside Diameter | 1.5000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BS5-1583PC4 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| L21 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 3120-00-218-4177 is a Bearing,sleeve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-218-4177 has 2 cross-referenced part numbers: BS5-1583PC4 (Circor Naval Solutions Llc Dba Warren Pumps), L21 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 6 known substitutes for 3120-00-218-4177: 2940-00-141-9025, 6695-00-256-7943, 2940-00-382-8003 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for L21: Overall Length: 2.2500 INCHES NOMINAL IN; Keyway Dimension: 0.1875 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN; Flange Outside Diameter: 3.3125 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.