The Spacer,sleeve, cataloged under National Stock Number 5365-00-752-8700, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5365-00-752-8700 |
| Primary Part Number | S438C |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 1.3750 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 1.2720 INCHES MINIMUM AND 1.2770 INCHES MAXIMUM IN |
| Material | STEEL 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 |
|---|---|
| S438C PRIMARY | Siemens Energy, Inc. (USA) |
| SG3877RBPC6 | Circor Pumps North America Llc (USA) |
| SG3875RBPCLN3 | Circor Pumps North America Llc (USA) |
| SG3855RBPC6 | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| S438C | 5/9 Secondary reference Circor Pumps North America Llc |
| SG3875RBPCLN3 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3855RBPC6 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 5365-00-752-8700 is a Spacer,sleeve, manufactured by Siemens Energy, Inc., classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-752-8700 has 4 manufacturer part numbers on file: S438C (Siemens Energy, Inc.), SG3877RBPC6 (Circor Pumps North America Llc), SG3875RBPCLN3 (Circor Pumps North America Llc), SG3855RBPC6 (Circor Pumps North America Llc).
Key specifications for S438C: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 1.3750 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.6560 INCHES MINIMUM AND 0.6760 INCHES MAXIMUM IN. 5 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.