The Seat,valve, cataloged under National Stock Number 4820-00-690-0345, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Niantic Tool, Inc. Dba Niantic Tool Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-690-0345 |
| Primary Part Number | 700302 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Niantic Tool, Inc. Dba Niantic Tool Co |
| Status | ACTIVE |
| Under Flange Height | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE |
| Seating Surface Shape | ANGULAR |
| Style Designator | PLAIN FLANGED |
| Material | STEEL COMP 303 OR STEEL CORROSION RESISTING OVERALL |
| Material Document and Classification | QQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Surface Treatment | PASSIVATE OVERALL |
| Flange Diameter | 1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN |
| Flange Seat to Disk End Height | 0.375 INCHES NOMINAL IN |
| Seat Angle in Deg | 25.000 NOMINAL |
| Body Outside Diameter | 1.876 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN |
| Body Inside Diameter | 1.124 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ND6626PC52 | Gem-Dandy Inc (USA) |
| 700302 PRIMARY | Niantic Tool, Inc. Dba Niantic Tool Co (USA) |
| 717085 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 52ND6602 | Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA) |
| 717085 PRIMARY | Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA) |
| 52ND6602 | Gem-Dandy Inc (USA) |
| B2364 PRIMARY | Niantic Tool, Inc. Dba Niantic Tool Co (USA) |
| 717085 | Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA) |
| 900068 | Lee Evans, Inc. (USA) |
| 717085 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 717085 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
NSN 4820-00-690-0345 is a Seat,valve, manufactured by Niantic Tool, Inc. Dba Niantic Tool Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-690-0345 has 11 cross-referenced part numbers: ND6626PC52 (Gem-Dandy Inc), 700302 (Niantic Tool, Inc. Dba Niantic Tool Co), 717085 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 52ND6602 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 717085 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture) and 6 more.
There are 6 known substitutes for 4820-00-690-0345: 6210-00-116-3581, 5905-00-477-1637, 9905-00-488-2072 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 700302: Under Flange Height: 0.250 INCHES NOMINAL IN; Material Document and Classification: MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE; Seating Surface Shape: ANGULAR; Style Designator: PLAIN FLANGED. 12 total characteristics are documented in the Federal Logistics Information System.