The Valve,ball, cataloged under National Stock Number 4820-01-657-5642, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Process Resources Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-657-5642 |
| Primary Part Number | F1R150-88SG-L |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Process Resources Inc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Furnished Items and Quantity | 1 HANDLE |
| Nominal Pipe Size Accommodated | 1.00 INCHES ALL ENDS IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 3.50 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | ASTM A494-CW-12MW ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A494-CW-12MW ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Bolt Hole Nominal Diameter | 0.75 INCHES ALL ENDS IN |
| Valve Size | 1.00 INCHES IN |
| Nominal Outside Diameter | 4.88 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Face to Face Distance | 6.50 INCHES IN |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY BODY |
| Raised Face Nominal Diameter | 2.00 INCHES ALL ENDS IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.06 INCHES ALL ENDS IN |
| Nominal Thickness | 0.69 INCHES ALL ENDS 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 |
|---|---|
| F1R150-88RG-L | Process Resources Inc (USA) |
| F1R150-88SG-L PRIMARY | Process Resources Inc (USA) |
NSN 4820-01-657-5642 is a Valve,ball, manufactured by Process Resources Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-657-5642 has 2 manufacturer part numbers on file: F1R150-88RG-L (Process Resources Inc), F1R150-88SG-L (Process Resources Inc).
Key specifications for F1R150-88SG-L: Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 HANDLE; Nominal Pipe Size Accommodated: 1.00 INCHES ALL ENDS IN; Flange Face Design: RAISED STRAIGHT ALL ENDS. 20 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.