PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N-790 PIECE 17Bushing,valve Seat

Grove Valve Operations · NSN 4820-01-146-1413 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-146-1413 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-146-1413. Primary manufacturer part number: N-790 PIECE 17.
Features
  • Bushing,valve Seat — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 3 verified cross-references
  • Primary manufacturer: Grove Valve Operations
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Bushing,valve Seat, cataloged under National Stock Number 4820-01-146-1413, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-146-1413
Primary Part NumberN-790 PIECE 17
Item NameBushing,valve Seat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGrove Valve Operations
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2010-00-036-2716 INTERCHANGEABLE
Shaft,coupling
4810-00-926-4241 INTERCHANGEABLE
Seat,valve
4820-00-935-9410 INTERCHANGEABLE
Stem,fluid Valve
4820-00-950-1781 INTERCHANGEABLE
Diaphragm,valve,flat
5330-00-989-1377 INTERCHANGEABLE
Gasket
5360-00-989-1381 INTERCHANGEABLE
Spring,helical,compression
5365-01-065-6737 INTERCHANGEABLE
Bushing,machine Thread
5120-01-101-3874N-790 INTERCHANGEABLE
Screwdriver,cross Tip
Neuses P K Inc
5330-01-229-2242 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
N-790 PIECE 17 Grove Valve Operations (USA)
149-30003 Grove Valve Operations (USA)
N-790 Grove Valve Operations (USA)
Related Parts
2010-00-036-2716INTERCHANGEABLE
SHAFT,COUPLING
4810-00-926-4241INTERCHANGEABLE
SEAT,VALVE
4820-00-935-9410INTERCHANGEABLE
STEM,FLUID VALVE
4820-00-950-1781INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
5330-00-989-1377INTERCHANGEABLE
GASKET
5360-00-989-1381INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5365-01-065-6737INTERCHANGEABLE
BUSHING,MACHINE THREAD
5120-01-101-3874INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
N-790
5330-01-229-2242INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 4820-01-146-1413?

NSN 4820-01-146-1413 is a Bushing,valve Seat, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-146-1413?

NSN 4820-01-146-1413 has 3 cross-referenced part numbers: N-790 PIECE 17 (Grove Valve Operations), 149-30003 (Grove Valve Operations), N-790 (Grove Valve Operations).

What NSN replaces 4820-01-146-1413?

There are 9 known substitutes for 4820-01-146-1413: 2010-00-036-2716, 4810-00-926-4241, 4820-00-935-9410 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N-790 PIECE 17?

Key specifications for N-790 PIECE 17: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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