The Roller,linear-Rotary Motion, cataloged under National Stock Number 3120-01-036-9079, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-036-9079 |
| Primary Part Number | 050605 |
| Item Name | Roller,linear-Rotary Motion |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-B-750 COMP B FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | OXIDE |
| Material | COPPER ALLOY 544 |
| Face Width | 0.124 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Bore Inside Diameter | 0.1562 INCHES MINIMUM AND 0.1567 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 887F050025ITEM53 | L3 Technologies, Inc. Div L3 Keo (USA) |
| 050605 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 887B050605 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 3120-01-036-9079 is a Roller,linear-Rotary Motion, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-036-9079 has 2 manufacturer part numbers on file: 887F050025ITEM53 (L3 Technologies, Inc. Div L3 Keo), 050605 (L3 Technologies, Inc. Div L3 Keo).
2 possible matches (shared part number, not a government interchangeability claim): 6530-01-529-3793, 5330-01-553-6909. Verify interchangeability with system specifications before substitution.
Key specifications for 050605: Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE; Style Designator: PLAIN; Material Document and Classification: QQ-B-750 COMP B FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN. 9 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.