The Roller,bearing, cataloged under National Stock Number 3110-01-076-3240, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-076-3240 |
| Primary Part Number | 128838 |
| Item Name | Roller,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Rolling Element Diameter | 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2488 TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | CYLINDRICAL ROLLER, FLAT ENDS |
| Material Document and Classification | MIL-T-9047 COMP 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | ANODIZE OVERALL |
| Material | TITANIUM ALLOY 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 |
|---|---|
| 128838 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 3110-01-076-3240 is a Roller,bearing, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-076-3240 has 1 manufacturer part number on file: 128838 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 128838: Rolling Element Diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2488 TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: CYLINDRICAL ROLLER, FLAT ENDS; Material Document and Classification: MIL-T-9047 COMP 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.