The Bushing,sleeve, cataloged under National Stock Number 3120-01-322-9656, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Schenck Usa Corp Div Test Devices. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-322-9656 |
| Primary Part Number | 129-B145 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Schenck Usa Corp Div Test Devices |
| Status | ACTIVE |
| Interior Flange Hole Diameter | 0.7534 INCHES MINIMUM AND 0.7536 INCHES MAXIMUM IN |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 2.0000 INCHES NOMINAL IN |
| Body Outside Diameter | 1.7510 INCHES MINIMUM AND 1.7514 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END |
| Material Document and Classification | ASTM B438 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Interior Flange Left End to Centerline Distance | 0.1870 INCHES NOMINAL IN |
| Interior Flange Width | 0.5150 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM IN |
| Body Inside Diameter | 1.5000 INCHES NOMINAL IN |
| Antirotation/lubrication Type and Quantity | 8 HOLE |
| Flange Width | 0.1050 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 841 OVERALL |
| Hole Diameter | 0.1870 INCHES NOMINAL FIRST 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 |
|---|---|
| 129-B145 PRIMARY | Schenck Usa Corp Div Test Devices (USA) |
| Reference | Meaning |
|---|---|
| 129-B145 | 5/9 Secondary reference Test Devices Inc |
NSN 3120-01-322-9656 is a Bushing,sleeve, manufactured by Schenck Usa Corp Div Test Devices, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-322-9656 has 1 manufacturer part number on file: 129-B145 (Schenck Usa Corp Div Test Devices).
Key specifications for 129-B145: Interior Flange Hole Diameter: 0.7534 INCHES MINIMUM AND 0.7536 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 2.0000 INCHES NOMINAL IN; Body Outside Diameter: 1.7510 INCHES MINIMUM AND 1.7514 INCHES MAXIMUM IN. 13 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.