The Valve,globe, cataloged under National Stock Number 4820-01-435-2939, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-435-2939 |
| Primary Part Number | 21W-CB3 2-1/2IN |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Newmans Inc New Jersey Div |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Nominal Pipe Size Accommodated | 2.500 INCHES ALL ENDS IN |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A182, F6A ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A276, TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM A276, TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL COMP 410 FLOW CONTROL DEVICE |
| Material | STEEL UNS J03002 BODY |
| Material | STEEL COMP 410 STEM |
| Material | STEEL UNS K91151 SEAT |
| 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 |
|---|---|
| 21W-CB3 2-1/2IN PRIMARY | Newmans Inc New Jersey Div (USA) |
| Reference | Meaning |
|---|---|
| A034100 | D/9 Drawing number reference only Newmans Inc New Jersey Div |
NSN 4820-01-435-2939 is a Valve,globe, manufactured by Newmans Inc New Jersey Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-435-2939 has 1 manufacturer part number on file: 21W-CB3 2-1/2IN (Newmans Inc New Jersey Div).
Key specifications for 21W-CB3 2-1/2IN: Flow Control Device: DISK; Furnished Items and Quantity: 1 HANDWHEEL; Nominal Pipe Size Accommodated: 2.500 INCHES ALL ENDS IN; Connection Style: BEVELED (PIPE) ALL ENDS. 17 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.