The Seat,valve, cataloged under National Stock Number 4820-01-130-9618, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pneudraulics, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-130-9618 |
| Primary Part Number | 45153 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pneudraulics, Inc. |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.275 INCHES NOMINAL IN |
| Flange Diameter | 0.800 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MCA1R PS 13001 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Body Outside Diameter | 0.623 INCHES NOMINAL IN |
| Hardness Rating | 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| Body Stepped Inside Diameter | 0.504 INCHES MINIMUM AND 0.514 INCHES MAXIMUM FIRST STEP IN |
| Body Stepped Inside Diameter | 0.702 INCHES MINIMUM AND 0.722 INCHES MAXIMUM SECOND STEP IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Under Flange Height | 0.305 INCHES NOMINAL IN |
| Material | STEEL COMP 440C OVERALL |
| Seat Angle in Deg | 30.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| 45153 PRIMARY | Pneudraulics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10124616 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4820-01-130-9618 is a Seat,valve, manufactured by Pneudraulics, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-130-9618 has 1 manufacturer part number on file: 45153 (Pneudraulics, Inc.).
Key specifications for 45153: Flange Seat to Disk End Height: 0.275 INCHES NOMINAL IN; Flange Diameter: 0.800 INCHES NOMINAL IN; Surface Treatment Document and Classification: MCA1R PS 13001 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Body Outside Diameter: 0.623 INCHES NOMINAL IN. 14 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.