PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41-0165-1Seat,valve

Grimes Aerospace Company · NSN 4810-00-672-4156 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-672-4156 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-672-4156. Primary manufacturer part number: 41-0165-1.
Features
  • Seat,valve — FSC 4810
  • Body Inside Diameter: 0.505 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hardness Rating: 56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
  • Body Outside Diameter: 0.810 INCHES NOMINAL IN
  • Style Designator: PLAIN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4810-00-672-4156, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grimes Aerospace Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-672-4156
Primary Part Number41-0165-1
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerGrimes Aerospace Company
StatusACTIVE
Body Inside Diameter0.505 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
Body Outside Diameter0.810 INCHES NOMINAL IN
Style DesignatorPLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6625-00-530-2635DC503 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Tektronix, Inc.
5340-01-534-2420CB100 INTERCHANGEABLE
Handle,manual Control
Click Bond Inc
Cross-Reference Index
Part NumberManufacturer
41-0165-1 PRIMARY Grimes Aerospace Company (USA)
Related Parts
6625-00-530-2635INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
DC503
5340-01-534-2420INTERCHANGEABLE
HANDLE,MANUAL CONTROL
CB100

Frequently Asked Questions

What is NSN 4810-00-672-4156?

NSN 4810-00-672-4156 is a Seat,valve, manufactured by Grimes Aerospace Company, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-672-4156?

NSN 4810-00-672-4156 has 1 cross-referenced part number: 41-0165-1 (Grimes Aerospace Company).

What NSN replaces 4810-00-672-4156?

There are 2 known substitutes for 4810-00-672-4156: 6625-00-530-2635, 5340-01-534-2420. Verify interchangeability with system specifications before substitution.

What are the specifications of 41-0165-1?

Key specifications for 41-0165-1: Body Inside Diameter: 0.505 INCHES NOMINAL IN; Material: STEEL OVERALL; Surface Treatment: PASSIVATE OVERALL; Overall Height: 0.680 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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