The Valve,globe, cataloged under National Stock Number 4820-01-081-8971, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ber-Low Mfg., Inc Dba Butech Pressure Systems. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-081-8971 |
| Primary Part Number | SLPV81RX-TG-STS |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ber-Low Mfg., Inc Dba Butech Pressure Systems |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Furnished Items and Quantity | 2 NUT |
| Connection Style | DOUBLE COMPRESSION(TUBE) ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU W/OFFSET |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Operating Pressure | 5500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Offset Distance | 0.630 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.812 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Maximum Operating Temp | 600.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | THREADED |
| Thread Class | 2B ALL ENDS |
| Thread Quantity Per Inch | 16 ALL ENDS |
| Material | STEEL COMP 316 BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Material | COBALT ALLOY FLOW CONTROL DEVICE |
| Thread Series Designator | UN ALL ENDS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| SLPV81RX-TG-STS PRIMARY | Ber-Low Mfg., Inc Dba Butech Pressure Systems (USA) |
| Reference | Meaning |
|---|---|
| SW-8081-TG-STS | 5/2 Secondary reference U.S. Government activity |
| 1-2 INCH OD SPD VL | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-081-8971 is a Valve,globe, manufactured by Ber-Low Mfg., Inc Dba Butech Pressure Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-081-8971 has 1 manufacturer part number on file: SLPV81RX-TG-STS (Ber-Low Mfg., Inc Dba Butech Pressure Systems).
Key specifications for SLPV81RX-TG-STS: Flow Control Device: STEM; Furnished Items and Quantity: 2 NUT; Connection Style: DOUBLE COMPRESSION(TUBE) ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS. 21 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.