The Valve,angle, cataloged under National Stock Number 4820-01-272-0494, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Newmans Inc New Jersey Div. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-272-0494 |
| Primary Part Number | 71F-DI7 18IN |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Newmans Inc New Jersey Div |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 22.750 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A395 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A114 GRADE 377 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Bolt Hole Nominal Diameter | 1.250 INCHES ALL ENDS IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 18.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Second Connection Face to Centerline Distance | 20.000 INCHES IN |
| Nominal Outside Diameter | 25.000 INCHES ALL ENDS IN |
| Mounting Facility | BRACKET(S) |
| Bolt Hole Quantity | 16 ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 20.000 INCHES IN |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY 922 FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 922 SEAT |
| Material | IRON CAST UNS F32800 BODY |
| Raised Face Nominal Diameter | 21.000 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Height | 0.062 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 |
|---|---|
| PS-7V18D0E01 18IN W/38IN EXT | Newmans Inc New Jersey Div (USA) |
| 71F-DI7 18IN PRIMARY | Newmans Inc New Jersey Div (USA) |
| Reference | Meaning |
|---|---|
| 71F-D17 18IN | 5/9 Secondary reference Newmans Inc New Jersey Div |
| PS-7V18D0E01 | D/9 Drawing number reference only Newmans Inc New Jersey Div |
NSN 4820-01-272-0494 is a Valve,angle, manufactured by Newmans Inc New Jersey Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-272-0494 has 2 manufacturer part numbers on file: PS-7V18D0E01 18IN W/38IN EXT (Newmans Inc New Jersey Div), 71F-DI7 18IN (Newmans Inc New Jersey Div).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-272-0561, 4820-01-273-0524. Verify interchangeability with system specifications before substitution.
Key specifications for 71F-DI7 18IN: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT ALL ENDS; Bolt Circle Nominal Diameter: 22.750 INCHES ALL ENDS IN. 29 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.