PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27CC13M-U70/S4Valve,safety Relief

Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris · NSN 4820-01-507-0636 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-507-0636 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-507-0636. Primary manufacturer part number: 27CC13M-U70/S4.
Features
  • Valve,safety Relief — FSC 4820
  • Disk Loading Method: SPRING
  • Bonnet Type: INSIDE SPRING
  • Material Document and Classification: 316SS ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Opening Pressure Setting: 260.0 POUNDS PER SQUARE INCH LBS
  • Style Designator: ANGLE
  • Connection Style: SOCKET SECOND END
  • Media for Which Designed: GAS, INERT SINGLE RESPONSE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 316 Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-507-0636, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-507-0636
Primary Part Number27CC13M-U70/S4
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
StatusACTIVE
Disk Loading MethodSPRING
Bonnet TypeINSIDE SPRING
Material Document and Classification316SS ASSN STD SINGLE MATERIAL RESPONSE BODY
Opening Pressure Setting260.0 POUNDS PER SQUARE INCH LBS
Style DesignatorANGLE
Connection StyleSOCKET SECOND END
Media for Which DesignedGAS, INERT SINGLE RESPONSE
Adjustable Pressure Range+230.0 TO 265.0 POUNDS PER SQUARE INCH LBS
Flow Control DeviceDISK
Nominal Pipe Size Accommodated0.500 INCHES FIRST END IN
Connection StyleSOCKET FIRST END
Bonnet Attachment MethodBOLTED
MaterialSTEEL COMP 316 BODY
Valve Operation MethodAUTOMATIC
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Nominal Pipe Size Accommodated1.000 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-061213838M11 INTERCHANGEABLE
Cup,tapered Roller Bearing
Taylor Machine Works Inc
5310-00-264-0150 INTERCHANGEABLE
Washer,lock
4310-00-270-3331 INTERCHANGEABLE
Pin,piston
5985-00-943-844599-1835A00 INTERCHANGEABLE
Waveguide Assembly
Axillon Aerospace (baltimore) Inc.
3040-01-026-8315K2226 INTERCHANGEABLE
Shaft,straight
Crown Industrial Products Co
5999-01-162-565430153 INTERCHANGEABLE
Contact,electrical
Osram Sylvania Inc
4820-01-507-078430072-010NM INTERCHANGEABLE
Retainer,disk,valve
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division
2510-01-628-097330153 INTERCHANGEABLE
Lock Set,vehicular Door
Dakota Bodies, Llc Dba Dakota Bodies Inc
Cross-Reference Index
Part NumberManufacturer
30153 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
27CC13M-U70/S4 PRIMARY Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
27CC13M-U70/S4 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
277C13M-U70/S4 Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
Related Parts
3110-00-100-0612INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
13838M11
5310-00-264-0150INTERCHANGEABLE
WASHER,LOCK
4310-00-270-3331INTERCHANGEABLE
PIN,PISTON
5985-00-943-8445INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
99-1835A00
3040-01-026-8315INTERCHANGEABLE
SHAFT,STRAIGHT
K2226
5999-01-162-5654INTERCHANGEABLE
CONTACT,ELECTRICAL
30153
4820-01-507-0784INTERCHANGEABLE
RETAINER,DISK,VALVE
30072-010NM
2510-01-628-0973INTERCHANGEABLE
LOCK SET,VEHICULAR DOOR
30153

Frequently Asked Questions

What is NSN 4820-01-507-0636?

NSN 4820-01-507-0636 is a Valve,safety Relief, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-507-0636?

NSN 4820-01-507-0636 has 4 cross-referenced part numbers: 30153 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 27CC13M-U70/S4 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 27CC13M-U70/S4 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 277C13M-U70/S4 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).

What NSN replaces 4820-01-507-0636?

There are 8 known substitutes for 4820-01-507-0636: 3110-00-100-0612, 5310-00-264-0150, 4310-00-270-3331 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27CC13M-U70/S4?

Key specifications for 27CC13M-U70/S4: Disk Loading Method: SPRING; Bonnet Type: INSIDE SPRING; Material Document and Classification: 316SS ASSN STD SINGLE MATERIAL RESPONSE BODY; Part Name Assigned by Controlling Agency: 2700 KN SERIES RELIEF VALVE MODEL NUMBER 27CC13M-U70/S4 UNION END CONNECTIONS GAS SERVICE.. 19 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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