PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

504-12Repair Kit,valve

Aqua Environment Co, Inc · NSN 4820-01-706-9526 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-706-9526 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-706-9526. Primary manufacturer part number: 504-12.
Features
  • Repair Kit,valve — FSC 4820
  • Valve Type for Which Designed: RELIEF
  • Valve Model Number for Which Designed: 504
  • 1 verified cross-reference
  • Primary manufacturer: Aqua Environment Co, Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Repair Kit,valve, cataloged under National Stock Number 4820-01-706-9526, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aqua Environment Co, Inc. Government technical data includes 2 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-706-9526
Primary Part Number504-12
Item NameRepair Kit,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAqua Environment Co, Inc
StatusACTIVE
Valve Type for Which DesignedRELIEF
Valve Model Number for Which Designed504
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-053-0264 INTERCHANGEABLE
Adapter,straight,pipe to Tube
5330-00-171-78864F6888 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
4730-00-174-455112Z330PC30 INTERCHANGEABLE
Swing Joint,pipe
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-227-2871MS24464-12 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
5120-00-264-3796 INTERCHANGEABLE
Wrench,adjustable
3030-00-649-9445490-3 INTERCHANGEABLE
Belts,v,matched Set
Gates Corporation
2520-00-929-541550412 INTERCHANGEABLE
Shaft,axle,automotive
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5950-00-999-4876 INTERCHANGEABLE
Transformer,power
6530-01-140-540350412 INTERCHANGEABLE
Pan and Screen Ir
Olympic Medical Corp
5940-01-248-621650412 INTERCHANGEABLE
Terminal Board
Wells Mfg Co
Cross-Reference Index
Part NumberManufacturer
504-12 PRIMARY Aqua Environment Co, Inc (USA)
Related Parts
4730-00-053-0264INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
5330-00-171-7886INTERCHANGEABLE
SEAL,PLAIN ENCASED
4F6888
4730-00-174-4551INTERCHANGEABLE
SWING JOINT,PIPE
12Z330PC30
3110-00-227-2871INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS24464-12
5120-00-264-3796INTERCHANGEABLE
WRENCH,ADJUSTABLE
3030-00-649-9445INTERCHANGEABLE
BELTS,V,MATCHED SET
490-3
2520-00-929-5415INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
50412
5950-00-999-4876INTERCHANGEABLE
TRANSFORMER,POWER
6530-01-140-5403INTERCHANGEABLE
PAN AND SCREEN IR
50412
5940-01-248-6216INTERCHANGEABLE
TERMINAL BOARD
50412
4820-01-657-8075INTERCHANGEABLE
VALVE,ANGLE
504-700-12

Frequently Asked Questions

What is NSN 4820-01-706-9526?

NSN 4820-01-706-9526 is a Repair Kit,valve, manufactured by Aqua Environment Co, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-706-9526?

NSN 4820-01-706-9526 has 1 cross-referenced part number: 504-12 (Aqua Environment Co, Inc).

What NSN replaces 4820-01-706-9526?

There are 11 known substitutes for 4820-01-706-9526: 4730-00-053-0264, 5330-00-171-7886, 4730-00-174-4551 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 504-12?

Key specifications for 504-12: Valve Type for Which Designed: RELIEF; Valve Model Number for Which Designed: 504. 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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