The Valve,globe, cataloged under National Stock Number 4820-01-311-3122, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-311-3122 |
| Primary Part Number | NS72104CB20 ITEM 21F-CB2 |
| Item Name | Valve,globe |
| 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 |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 7.500 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | ASTM A182, GR F6A ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A182, GR F6A ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A216, GR WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A276, GR 410 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 4.000 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 800.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 9.000 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 8 ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 11.500 INCHES IN |
| Material | STEEL COMP 410 FLOW CONTROL DEVICE |
| Material | STEEL UNS J03002 BODY |
| Material | STEEL UNS K91151 SEAT |
| Material | STEEL UNS K91151 STEM |
| Raised Face Nominal Diameter | 6.190 INCHES IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.062 INCHES IN |
| Nominal Thickness | 0.940 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 |
|---|---|
| NS72104CB20 ITEM 21F-CB2 PRIMARY | Newmans Inc New Jersey Div (USA) |
| 21F-CB2 4IN AND NS72104CB20 | Newmans Inc New Jersey Div (USA) |
| Reference | Meaning |
|---|---|
| NS72104CB20 | D/9 Drawing number reference only Newmans Inc New Jersey Div |
NSN 4820-01-311-3122 is a Valve,globe, manufactured by Newmans Inc New Jersey Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-311-3122 has 2 manufacturer part numbers on file: NS72104CB20 ITEM 21F-CB2 (Newmans Inc New Jersey Div), 21F-CB2 4IN AND NS72104CB20 (Newmans Inc New Jersey Div).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-313-0683, 4820-01-313-9437. Verify interchangeability with system specifications before substitution.
Key specifications for NS72104CB20 ITEM 21F-CB2: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 HANDWHEEL; Flange Face Design: RAISED STRAIGHT ALL ENDS. 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.