PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7Valve,air Venting,hot Water Radi

Maid-O-Mist Division Sunroc Corp · NSN 4520-00-895-4599 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-895-4599 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-895-4599. Primary manufacturer part number: 7.
Features
  • Valve,air Venting,hot Water Radi — FSC 4520
  • Material: COPPER ALLOY BODY
  • End Connection Quantity: 1
  • Valve Loading Spring Location: INTERNAL
  • First End Thread Direction: RIGHT-HAND
  • Furnished Items: CAP
  • First End Nominal Thread Size: 0.127 INCHES IN
  • First End Thread Series Designator: NPT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,air Venting,hot Water Radi, cataloged under National Stock Number 4520-00-895-4599, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Maid-O-Mist Division Sunroc Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4520-00-895-4599
Primary Part Number7
Item NameValve,air Venting,hot Water Radi
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerMaid-O-Mist Division Sunroc Corp
StatusCANCELLED
MaterialCOPPER ALLOY BODY
End Connection Quantity1
Valve Loading Spring LocationINTERNAL
First End Thread DirectionRIGHT-HAND
Furnished ItemsCAP
First End Nominal Thread Size0.127 INCHES IN
First End Thread Series DesignatorNPT
First End Connection TypeTHREADED INTERNAL PIPE
First End Nominal Pipe Size Accommodated0.125 INCHES IN
Valve Seat LocationINTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
8105-00-117-98798105-00-117-9879 INTERCHANGEABLE
Sack,shipping
General Services Administration Federal Supply Service
3110-00-156-1713 INTERCHANGEABLE
Bearing,ball,thrust
5325-00-281-401507 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Simmons Fastener Corp an Amfast Corp
3120-00-352-3047B157 INTERCHANGEABLE
Bearing,sleeve
Agco Corp Parts Opn
4010-00-505-4729641E INTERCHANGEABLE
Chain,weldless
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5990-00-723-7419405311-1 INTERCHANGEABLE
Cover,synchro Receiver Mount
Raytheon Company Dba Raytheon
6220-00-727-3288 INTERCHANGEABLE
Light,marker,clearance
4920-00-946-10691989AS100 INTERCHANGEABLE
Fixture,positioning
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5340-01-024-25981007 INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
5306-01-031-096607 INTERCHANGEABLE
U-Bolt Assy Sp
Chicago Hardware and Fixture Company
Cross-Reference Index
Part NumberManufacturer
07 Maid-O-Mist Division Sunroc Corp (USA)
KITT Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA)
7 PRIMARY Maid-O-Mist Division Sunroc Corp (USA)
B157 Harvey Sid Inc (USA)
7 Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA)
Related Parts
8105-00-117-9879INTERCHANGEABLE
SACK,SHIPPING
8105-00-117-9879
3110-00-156-1713INTERCHANGEABLE
BEARING,BALL,THRUST
5325-00-281-4015INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
07
3120-00-352-3047INTERCHANGEABLE
BEARING,SLEEVE
B157
4010-00-505-4729INTERCHANGEABLE
CHAIN,WELDLESS
641E
5990-00-723-7419INTERCHANGEABLE
COVER,SYNCHRO RECEIVER MOUNT
405311-1
6220-00-727-3288INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
4920-00-946-1069INTERCHANGEABLE
FIXTURE,POSITIONING
1989AS100
5340-01-024-2598INTERCHANGEABLE
KEY BLANK
1007
5306-01-031-0966INTERCHANGEABLE
U-BOLT ASSY SP
07
8455-01-065-4371INTERCHANGEABLE
INSIGNIA,ORGANIZATIONAL
5310-01-213-9891INTERCHANGEABLE
WASHER,LOCK
T/70

Frequently Asked Questions

What is NSN 4520-00-895-4599?

NSN 4520-00-895-4599 is a Valve,air Venting,hot Water Radi, manufactured by Maid-O-Mist Division Sunroc Corp, classified under FSC 4520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4520-00-895-4599?

NSN 4520-00-895-4599 has 5 cross-referenced part numbers: 07 (Maid-O-Mist Division Sunroc Corp), KITT (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div), 7 (Maid-O-Mist Division Sunroc Corp), B157 (Harvey Sid Inc), 7 (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div).

What NSN replaces 4520-00-895-4599?

There are 12 known substitutes for 4520-00-895-4599: 8105-00-117-9879, 3110-00-156-1713, 5325-00-281-4015 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7?

Key specifications for 7: Material: COPPER ALLOY BODY; End Connection Quantity: 1; Valve Loading Spring Location: INTERNAL; First End Thread Direction: RIGHT-HAND. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4520-00-895-4599 still in active supply?

NSN 4520-00-895-4599 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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