The Bearing,sleeve, cataloged under National Stock Number 3120-00-293-9963, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Marine Engine Specialties Div of Mesco Tectonics Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-293-9963 |
| Primary Part Number | 7AB538 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Marine Engine Specialties Div of Mesco Tectonics Inc |
| Status | ACTIVE |
| Body Outside Diameter | 1.9680 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN |
| Flange Width | 0.0525 INCHES MINIMUM AND 0.0725 INCHES MAXIMUM IN |
| Body Inside Diameter | 1.3590 INCHES MINIMUM AND 1.3600 INCHES MAXIMUM IN |
| Flange Outside Diameter | 2.1150 INCHES MINIMUM AND 2.1350 INCHES MAXIMUM IN |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | SAE 1020,81343 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | ROUND LEFT FLANGE BODY CORNER |
| Material | STEEL COMP 1020 OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7AB538 | Marine Engine Specialties Div of Mesco Tectonics Inc (USA) |
| 75C1540 | Norfolk Naval Shipyard (USA) |
| 7AB532 | Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA) |
| 6884 | Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA) |
| DA6884 | Norfolk Naval Shipyard (USA) |
NSN 3120-00-293-9963 is a Bearing,sleeve, manufactured by Marine Engine Specialties Div of Mesco Tectonics Inc, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-293-9963 has 5 cross-referenced part numbers: 7AB538 (Marine Engine Specialties Div of Mesco Tectonics Inc), 75C1540 (Norfolk Naval Shipyard), 7AB532 (Allard Nazarian Group, Inc. Dba Granite State Manufacturing), 6884 (Allard Nazarian Group, Inc. Dba Granite State Manufacturing), DA6884 (Norfolk Naval Shipyard).
There are 10 known substitutes for 3120-00-293-9963: 5342-00-125-8175, 5995-00-235-3750, 5960-00-752-6039 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7AB538: Body Outside Diameter: 1.9680 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN; Flange Width: 0.0525 INCHES MINIMUM AND 0.0725 INCHES MAXIMUM IN; Body Inside Diameter: 1.3590 INCHES MINIMUM AND 1.3600 INCHES MAXIMUM IN; Overall Length: 0.9040 INCHES MINIMUM AND 0.9080 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.