The Bearing,sleeve, cataloged under National Stock Number 3120-00-554-2684, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Master Machine Products Corp. Government technical data includes 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3120-00-554-2684 |
| Primary Part Number | 21421 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Master Machine Products Corp |
| Status | CANCELLED |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Material | OIL LUBRICATING LUBRICATION |
| Material Document and Classification | MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Flange Width | 0.1560 INCHES NOMINAL IN |
| Flange Outside Diameter | 1.0625 INCHES MINIMUM AND 1.0655 INCHES MAXIMUM IN |
| Material Document and Classification | SAE 20 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION |
| Material | COPPER ALLOY OVERALL |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Body Outside Diameter | 0.8140 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3120-00-554-2684 is a Bearing,sleeve, manufactured by Master Machine Products Corp, classified under FSC 3120 (No Item Name Available). Status: cancelled.
NSN 3120-00-554-2684 has 3 cross-referenced part numbers: 21421 (Master Machine Products Corp), FB1013-6 (Altra Industrial Motion Corp.), 514-304 (Entrust Corporation).
There are 8 known substitutes for 3120-00-554-2684: 5310-00-033-3101, 3110-00-100-4221, 5935-00-118-7863 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21421: Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Material: OIL LUBRICATING LUBRICATION. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 3120-00-554-2684 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.