The Bushing,sleeve, cataloged under National Stock Number 3120-00-752-8964, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3120-00-752-8964 |
| Primary Part Number | S1407BAB9736 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE |
| Surface Finish | 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 250.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 250.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Finish | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE INSIDE RIGHT 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 |
| Corner Shape | ROUND LEFT FLANGE BODY CORNER |
| Flange Outside Diameter | 3.0469 INCHES MINIMUM AND 3.0781 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.2505 INCHES MINIMUM AND 2.2510 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 1.4914 INCHES MINIMUM AND 1.4920 INCHES MAXIMUM IN |
| Flange Width | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Material | COPPER 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 |
|---|---|
| S1407BAB9736 PRIMARY | Circor Pumps North America Llc (USA) |
| SG3947PC21 | Circor Pumps North America Llc (USA) |
| SG3945PC21 | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| SG3945PC21 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3947PC21 | 5/9 Secondary reference Siemens Energy, Inc. |
| S1407BAB9736 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 3120-00-752-8964 is a Bushing,sleeve, manufactured by Circor Pumps North America Llc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-752-8964 has 3 manufacturer part numbers on file: S1407BAB9736 (Circor Pumps North America Llc), SG3947PC21 (Circor Pumps North America Llc), SG3945PC21 (Circor Pumps North America Llc).
Key specifications for S1407BAB9736: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE; Surface Finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Surface Finish: 250.0 MICROINCHES RIGHT END SURFACE OF BODY. 18 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.