The End Cover and Bearing, cataloged under National Stock Number 3110-01-138-6527, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-138-6527 |
| Primary Part Number | RX-138449 |
| Item Name | End Cover and Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | ITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| RX-138449 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL-13022 PC 28Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 938449-00 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 938449-00Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| RX-138449Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| SL-11691 PIECE 28Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| SL-11691 PIECE 28 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| SL-13022 PC 28 | 5/9 Secondary reference U.S. Government activity |
| SL-13022 PC 28 | 3/1 Design control — primary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| SL-11691 PIECE 28 | 5/9 Secondary reference U.S. Government activity |
| RX-138449 | 5/9 Secondary reference U.S. Government activity |
| 938449-00 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-138-6527 is a End Cover and Bearing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-138-6527 has 7 manufacturer part numbers on file: RX-138449 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL-13022 PC 28Q3 (Naval Inventory Control Point Mechanicsburg), 938449-00 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 938449-00Q3 (Naval Inventory Control Point Mechanicsburg), RX-138449Q3 (Naval Inventory Control Point Mechanicsburg) and 2 more.
Key specifications for RX-138449: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: ITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL. 2 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.