The Cylinder Sleeve, cataloged under National Stock Number 4310-00-562-3787, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-562-3787 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| Undercut Diameter | 1.278 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 1, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE |
| Bottom Chamfer Length | 1.015 INCHES NOMINAL IN |
| Flange Thickness | 0.188 INCHES NOMINAL IN |
| Design Type | WET |
| Body Outside Diameter | 1.281 INCHES NOMINAL IN |
| Top Intake Port | NOT INCLUDED |
| Style Designator | WET, FLANGED |
| Top Inside Chamfer | NOT INCLUDED |
| Valve Recess | NOT INCLUDED |
| Body Length | 1.596 INCHES NOMINAL IN |
| Intake Hole | NOT INCLUDED |
| Surface Treatment | CADMIUM |
| Bottom Inside Chamfer | INCLUDED |
| Bore Diameter | 1.252 INCHES NOMINAL IN |
| Material | STEEL |
| Metallic Hardness Rating | 50.0 MINIMUM ROCKWELL C AND 55.0 MAXIMUM ROCKWELL C |
| Bottom Chamfer Angle in Deg | 45.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 204-340 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4310-00-562-3787 is a Cylinder Sleeve, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2520-01-059-7151. Verify interchangeability with system specifications before substitution.
Key specifications for 4310-00-562-3787: Undercut Diameter: 1.278 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 1, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE; Bottom Chamfer Length: 1.015 INCHES NOMINAL IN; Flange Thickness: 0.188 INCHES NOMINAL IN. 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.