PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8526601Valve,seat

Us Army Aviation and Missile Command · NSN 4810-00-613-2857 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-613-2857 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-613-2857. Primary manufacturer part number: 8526601.
Features
  • Valve,seat — FSC 4810
  • General Characteristics Item Description: STEEL,CADMIUM PLATED FINISH,1.615 IN. MIN,1.625 IN MAX LG,0.998 IN. OD OF TWO FLANGES,0.872 IN. OD OF ONE FLANGE,0.275 IN. DISTANCE BETWEEN FIRST TWO FLANGES,0.843 IN. DISTANCE BETWEEN SMALLEST FLANGE AND LARGEST,0.344 IN. HOLE DRILLED INTO CENTER OF VALVE IN
  • 2 verified cross-references
  • Primary manufacturer: Us Army Aviation and Missile Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,seat, cataloged under National Stock Number 4810-00-613-2857, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4810-00-613-2857
Primary Part Number8526601
Item NameValve,seat
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
General Characteristics Item DescriptionSTEEL,CADMIUM PLATED FINISH,1.615 IN. MIN,1.625 IN MAX LG,0.998 IN. OD OF TWO FLANGES,0.872 IN. OD OF ONE FLANGE,0.275 IN. DISTANCE BETWEEN FIRST TWO FLANGES,0.843 IN. DISTANCE BETWEEN SMALLEST FLANGE AND LARGEST,0.344 IN. HOLE DRILLED INTO CENTER OF VALVE IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3020-00-326-4016 INTERCHANGEABLE
Gear,internal
3120-00-661-552720756 INTERCHANGEABLE
Bearing,sleeve
Tulsa Winch, Inc.
5960-00-941-381920756 INTERCHANGEABLE
Electron Tube
Unison Industries Llc
4720-01-074-827020756 INTERCHANGEABLE
Hose,preformed
Gates Corporation
2590-01-151-204220756 INTERCHANGEABLE
Filter
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5331-01-255-9475 INTERCHANGEABLE
O-Ring
3010-01-314-7547 INTERCHANGEABLE
Coupling,shaft,rigid
3040-01-382-202420756 INTERCHANGEABLE
Ball Joint
Liftking Manufacturing Corp
1010-01-524-201720-756 INTERCHANGEABLE
Brush Section Holder,artillery C
Penn Arms Inc
Cross-Reference Index
Part NumberManufacturer
20756 Hydro-Aire Aerospace Corp (USA)
8526601 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
3020-00-326-4016INTERCHANGEABLE
GEAR,INTERNAL
3120-00-661-5527INTERCHANGEABLE
BEARING,SLEEVE
20756
5960-00-941-3819INTERCHANGEABLE
ELECTRON TUBE
20756
4720-01-074-8270INTERCHANGEABLE
HOSE,PREFORMED
20756
2590-01-151-2042INTERCHANGEABLE
FILTER
20756
5331-01-255-9475INTERCHANGEABLE
O-RING
3010-01-314-7547INTERCHANGEABLE
COUPLING,SHAFT,RIGID
3040-01-382-2024INTERCHANGEABLE
BALL JOINT
20756
1010-01-524-2017INTERCHANGEABLE
BRUSH SECTION HOLDER,ARTILLERY C
20-756

Frequently Asked Questions

What is NSN 4810-00-613-2857?

NSN 4810-00-613-2857 is a Valve,seat, manufactured by Us Army Aviation and Missile Command, classified under FSC 4810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4810-00-613-2857?

NSN 4810-00-613-2857 has 2 cross-referenced part numbers: 20756 (Hydro-Aire Aerospace Corp), 8526601 (Us Army Aviation and Missile Command).

What NSN replaces 4810-00-613-2857?

There are 9 known substitutes for 4810-00-613-2857: 3020-00-326-4016, 3120-00-661-5527, 5960-00-941-3819 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8526601?

Key specifications for 8526601: General Characteristics Item Description: STEEL,CADMIUM PLATED FINISH,1.615 IN. MIN,1.625 IN MAX LG,0.998 IN. OD OF TWO FLANGES,0.872 IN. OD OF ONE FLANGE,0.275 IN. DISTANCE BETWEEN FIRST TWO FLANGES,0.843 IN. DISTANCE BETWEEN SMALLEST FLANGE AND LARGEST,0.344 IN. HOLE DRILLED INTO CENTER OF VALVE IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4810-00-613-2857 still in active supply?

NSN 4810-00-613-2857 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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