The Bearing,sleeve, cataloged under National Stock Number 3120-00-074-9155, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Atlas Brass Foundry Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-074-9155 |
| Primary Part Number | CF376K0438 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Atlas Brass Foundry Inc |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Flange Outside Diameter | 0.7475 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5630 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3750 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE OR A COMPOSITION |
| Flange Width | 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| 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 |
|---|---|
| CF376K0438 PRIMARY | Atlas Brass Foundry Inc (USA) |
| Reference | Meaning |
|---|---|
| 128447 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 128447 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories |
| MILB5687 | 4/1 Identification reference U.S. Government activity |
NSN 3120-00-074-9155 is a Bearing,sleeve, manufactured by Atlas Brass Foundry Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-074-9155 has 1 manufacturer part number on file: CF376K0438 (Atlas Brass Foundry Inc).
Key specifications for CF376K0438: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 15 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.