The Bonnet,valve, cataloged under National Stock Number 4820-01-042-5510, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-042-5510 |
| Primary Part Number | 3494-4 |
| Item Name | Bonnet,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS,CHROME PLATED; THD EXTERNALLY AND INTERNALLY; EXTERNAL THDS 3/4 IN. 16 UNF SIZE,0.220 IN. THD LG ONE END,0.750 IN. THD LG OTHER END; 0.875 IN. HEX WRENCHING FEATURE BETWEEN THDS; INTERNAL THD 3/8 IN. 24 UNF SIZE,1.170 IN. THD LG ONE END,0.260 IN. BORE WITH O-RING GROOVE OTHER END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-042-5510 is a Bonnet,valve, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-042-5510 has 2 cross-referenced part numbers: 3494-4 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 3994-4 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
There are 5 known substitutes for 4820-01-042-5510: 2810-00-118-8393, 4730-01-005-4532, 4320-01-329-9865 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3494-4: General Characteristics Item Description: BRASS,CHROME PLATED; THD EXTERNALLY AND INTERNALLY; EXTERNAL THDS 3/4 IN. 16 UNF SIZE,0.220 IN. THD LG ONE END,0.750 IN. THD LG OTHER END; 0.875 IN. HEX WRENCHING FEATURE BETWEEN THDS; INTERNAL THD 3/8 IN. 24 UNF SIZE,1.170 IN. THD LG ONE END,0.260 IN. BORE WITH O-RING GROOVE OTHER END IN. 1 total characteristics are documented in the Federal Logistics Information System.