The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-185-2558, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Fm Af, Llc Dba American Fan Company. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-185-2558 |
| Primary Part Number | 1389776-1 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 2 |
| Mounting Hole Type | ROUND, THREADED |
| Outside Diameter | 4.468 INCHES MINIMUM AND 4.470 INCHES MAXIMUM IN |
| Aperture Diameter | 2.125 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1389378-1 | Fm Af, Llc Dba American Fan Company (USA) |
| 1389776-1 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| FF12988 PIECE 18 | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| 1389776 | 5/9 Secondary reference Fm Af, Llc Dba American Fan Company |
NSN 3110-01-185-2558 is a Plate,retaining,bearing, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-185-2558 has 3 manufacturer part numbers on file: 1389378-1 (Fm Af, Llc Dba American Fan Company), 1389776-1 (Fm Af, Llc Dba American Fan Company), FF12988 PIECE 18 (Fm Af, Llc Dba American Fan Company).
Key specifications for 1389776-1: Bolt Circle Hole Quantity: 2; Mounting Hole Type: ROUND, THREADED; Outside Diameter: 4.468 INCHES MINIMUM AND 4.470 INCHES MAXIMUM IN; Aperture Diameter: 2.125 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.