PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49709Slide,valve Spool

Eaton Aerospace, Llc Dba Jackson South · NSN 4820-00-474-2280 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-474-2280 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-474-2280. Primary manufacturer part number: 49709.
Features
  • Slide,valve Spool — FSC 4820
  • General Characteristics Item Description: STEEL,HEAT TREATED,ROCKWELL C SCAL 60-64; 2.156 IN. O/A LG; 0.4994 IN. MIN TO 0.4997 IN. MAX OD; INCLUDES 0.250 IN. DIA BY 1.850 IN. DEEP CENTER CAVITY. OUTER PERIPHERY DESIGNED FOR FLUID CONROL,INCLUDES NECK,GROOVE AND FOUR PASSAGE SLOTS IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Slide,valve Spool, cataloged under National Stock Number 4820-00-474-2280, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 1 verified specification, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-474-2280
Primary Part Number49709
Item NameSlide,valve Spool
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
General Characteristics Item DescriptionSTEEL,HEAT TREATED,ROCKWELL C SCAL 60-64; 2.156 IN. O/A LG; 0.4994 IN. MIN TO 0.4997 IN. MAX OD; INCLUDES 0.250 IN. DIA BY 1.850 IN. DEEP CENTER CAVITY. OUTER PERIPHERY DESIGNED FOR FLUID CONROL,INCLUDES NECK,GROOVE AND FOUR PASSAGE SLOTS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-074-37994M9298 INTERCHANGEABLE
Ring,retaining
Caterpillar Inc Div Caterpillar Defense
5133-00-236-4043 INTERCHANGEABLE
Drill,twist
1730-00-757-49774970-9 INTERCHANGEABLE
Piston,lock Ratchet
Columbus Jack Corporation Div Columbus Jack
3120-00-811-567449709 INTERCHANGEABLE
Bushing,sleeve
Meggitt (new Hampshire), Inc
2920-01-641-9757049709 INTERCHANGEABLE
Distributor,ignition System
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
49709 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5325-00-074-3799INTERCHANGEABLE
RING,RETAINING
4M9298
5133-00-236-4043INTERCHANGEABLE
DRILL,TWIST
1730-00-757-4977INTERCHANGEABLE
PISTON,LOCK RATCHET
4970-9
3120-00-811-5674INTERCHANGEABLE
BUSHING,SLEEVE
49709
2920-01-641-9757INTERCHANGEABLE
DISTRIBUTOR,IGNITION SYSTEM
049709

Frequently Asked Questions

What is NSN 4820-00-474-2280?

NSN 4820-00-474-2280 is a Slide,valve Spool, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-474-2280?

NSN 4820-00-474-2280 has 1 cross-referenced part number: 49709 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4820-00-474-2280?

There are 5 known substitutes for 4820-00-474-2280: 5325-00-074-3799, 5133-00-236-4043, 1730-00-757-4977 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49709?

Key specifications for 49709: General Characteristics Item Description: STEEL,HEAT TREATED,ROCKWELL C SCAL 60-64; 2.156 IN. O/A LG; 0.4994 IN. MIN TO 0.4997 IN. MAX OD; INCLUDES 0.250 IN. DIA BY 1.850 IN. DEEP CENTER CAVITY. OUTER PERIPHERY DESIGNED FOR FLUID CONROL,INCLUDES NECK,GROOVE AND FOUR PASSAGE SLOTS IN. 1 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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