PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3C231PF-5 PL-2756Valve,check

Hydrasearch Company, Llc · NSN 4820-01-163-7152 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-163-7152 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-163-7152. Primary manufacturer part number: 3C231PF-5 PL-2756.
Features
  • Valve,check — FSC 4820
  • Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN
  • Flow Control Device: DISK
  • Disk Loading Method: SPRING
  • Material Document and Classification: QQ-S-764,TYPE303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Style Designator: STRAIGHT THRU
  • Material Document and Classification: QQ-S-764, TYPE 416-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 416 Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-163-7152, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydrasearch Company, Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Active.

Technical Specifications
ParameterValue
NSN4820-01-163-7152
Primary Part Number3C231PF-5 PL-2756
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHydrasearch Company, Llc
StatusACTIVE
Nominal Pipe Size Accommodated1.000 INCHES ALL ENDS IN
Flow Control DeviceDISK
Disk Loading MethodSPRING
Material Document and ClassificationQQ-S-764,TYPE303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE BODY
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorSTRAIGHT THRU
Material Document and ClassificationQQ-S-764, TYPE 416-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Valve Operation MethodAUTOMATIC
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Mounting PositionHORIZONTAL OR VERTICAL
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
MaterialSTEEL COMP 416 FLOW CONTROL DEVICE
Connection StyleSOCKET (PIPE) ALL ENDS
MaterialSTEEL COMP 303 BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-163-06455065-ASSY-3-PL1358 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
4820-01-163-1063H-5065-7-PL1362 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
4820-01-163-2577H5065-ASSY-2-PL1357 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
4820-01-163-2692050862 INTERCHANGEABLE
Cage,valve
Hydrasearch Company, Llc
4820-01-163-3192H-5065-9A-PL1363 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
4820-01-163-3344050872 INTERCHANGEABLE
Disk,valve
Hydrasearch Company, Llc
4820-01-163-7299050864 INTERCHANGEABLE
Retainer,disk,valve
Hydrasearch Company, Llc
4820-01-163-7376050873 INTERCHANGEABLE
Disk,valve
Hydrasearch Company, Llc
4820-01-163-8025050875 INTERCHANGEABLE
Disk,valve
Hydrasearch Company, Llc
4820-01-164-7005H5065-ASSY-6-PL1361 INTERCHANGEABLE
Valve,check
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
3C231PF-5 PL-2756 PRIMARY Hydrasearch Company, Llc (USA)
H5065 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
H5065-ASSY-5-PL1360 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
H5065-ASSY-5-PL1360SS Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
4820-01-163-0645INTERCHANGEABLE
VALVE,CHECK
5065-ASSY-3-PL1358
4820-01-163-1063INTERCHANGEABLE
VALVE,CHECK
H-5065-7-PL1362
4820-01-163-2577INTERCHANGEABLE
VALVE,CHECK
H5065-ASSY-2-PL1357
4820-01-163-2692INTERCHANGEABLE
CAGE,VALVE
050862
4820-01-163-3192INTERCHANGEABLE
VALVE,CHECK
H-5065-9A-PL1363
4820-01-163-3344INTERCHANGEABLE
DISK,VALVE
050872
4820-01-163-7299INTERCHANGEABLE
RETAINER,DISK,VALVE
050864
4820-01-163-7376INTERCHANGEABLE
DISK,VALVE
050873
4820-01-163-8025INTERCHANGEABLE
DISK,VALVE
050875
4820-01-164-7005INTERCHANGEABLE
VALVE,CHECK
H5065-ASSY-6-PL1361
4820-01-164-7006INTERCHANGEABLE
VALVE,CHECK
H5065-9B-PL1364
4820-01-164-7274INTERCHANGEABLE
DISK,VALVE
050876

Frequently Asked Questions

What is NSN 4820-01-163-7152?

NSN 4820-01-163-7152 is a Valve,check, manufactured by Hydrasearch Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-163-7152?

NSN 4820-01-163-7152 has 4 cross-referenced part numbers: 3C231PF-5 PL-2756 (Hydrasearch Company, Llc), H5065 (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging), H5065-ASSY-5-PL1360 (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging), H5065-ASSY-5-PL1360SS (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-01-163-7152?

There are 12 known substitutes for 4820-01-163-7152: 4820-01-163-0645, 4820-01-163-1063, 4820-01-163-2577 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3C231PF-5 PL-2756?

Key specifications for 3C231PF-5 PL-2756: Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN; Flow Control Device: DISK; Disk Loading Method: SPRING; Material Document and Classification: QQ-S-764,TYPE303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE BODY. 14 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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