The Seat,valve, cataloged under National Stock Number 4820-00-040-2310, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-040-2310 |
| Primary Part Number | 8330325 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Hardness Rating | 35.0 ROCKWELL C NOMINAL FACE |
| Hardness Rating | 30.0 ROCKWELL C NOMINAL BODY |
| Body Inside Diameter | 0.406 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Seating Surface Shape | FLAT |
| Body Outside Diameter | 0.628 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-040-2310 is a Seat,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-040-2310 has 3 cross-referenced part numbers: KC4195 (Diamond Reo Truck Co), 05-28 (Hamilton Sundstrand Corporation), 8330325 (U S Army Tank Automotive Command Amsta-Im-Mm).
There are 2 known substitutes for 4820-00-040-2310: 5905-00-144-8456, 6750-01-379-8587. Verify interchangeability with system specifications before substitution.
Key specifications for 8330325: Overall Height: 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Material: STEEL OVERALL; Hardness Rating: 35.0 ROCKWELL C NOMINAL FACE; Hardness Rating: 30.0 ROCKWELL C NOMINAL BODY. 8 total characteristics are documented in the Federal Logistics Information System.