PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37-3/4Valve,check

Crane Co Div Valve Div · NSN 4820-01-124-8236 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-124-8236 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-124-8236. Primary manufacturer part number: 37-3/4.
Features
  • Valve,check — FSC 4820
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material Document and Classification: QQ-C-390,ALLOY B5/D FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Material: COPPER ALLOY 836 OVERALL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 836 Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-124-8236, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-124-8236
Primary Part Number37-3/4
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusCANCELLED
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Maximum Operating Temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSTRAIGHT THRU
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationQQ-C-390,ALLOY B5/D FED SPEC SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY 836 OVERALL
Valve Operation MethodAUTOMATIC
Thread DirectionRIGHT-HAND ALL ENDS
Thread Series DesignatorNPSI ALL ENDS
Mounting PositionHORIZONTAL OR VERTICAL
Flow Control DeviceDISK
Nominal Thread Size0.750 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5330-00-038-89003734 INTERCHANGEABLE
Gasket
Eaton Corporation Div Fed
5935-00-059-30401048712-4-4 INTERCHANGEABLE
Jack,tip
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
4820-00-202-76421124000400 INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5331-00-248-31773734 INTERCHANGEABLE
O-Ring
Husco International Inc
5930-00-504-6087 INTERCHANGEABLE
Switch,toggle
5950-00-683-37951806808 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-837-2770 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4820-00-949-751937 3-4 INTERCHANGEABLE
Valve,check
Crane Co Div Valve Div
6625-01-103-4367D-03734-000 INTERCHANGEABLE
Pickup-Vibration
Balance Technology Inc Dba Lannen Investment Co
6515-01-383-78960037340 INTERCHANGEABLE
Catheter,urethral
Bard C R Inc Bard Urological Div
Cross-Reference Index
Part NumberManufacturer
37-3/4 PRIMARY Crane Co Div Valve Div (USA)
37-3/4IN PRIMARY Crane Co Div Valve Div (USA)
Related Parts
5330-00-038-8900INTERCHANGEABLE
GASKET
3734
5935-00-059-3040INTERCHANGEABLE
JACK,TIP
1048712-4-4
4820-00-202-7642INTERCHANGEABLE
VALVE,CHECK
1124000400
5331-00-248-3177INTERCHANGEABLE
O-RING
3734
5930-00-504-6087INTERCHANGEABLE
SWITCH,TOGGLE
5950-00-683-3795INTERCHANGEABLE
TRANSFORMER,POWER
1806808
5905-00-837-2770INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4820-00-949-7519INTERCHANGEABLE
VALVE,CHECK
37 3-4
6625-01-103-4367INTERCHANGEABLE
PICKUP-VIBRATION
D-03734-000
6515-01-383-7896INTERCHANGEABLE
CATHETER,URETHRAL
0037340

Frequently Asked Questions

What is NSN 4820-01-124-8236?

NSN 4820-01-124-8236 is a Valve,check, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-124-8236?

NSN 4820-01-124-8236 has 2 cross-referenced part numbers: 37-3/4 (Crane Co Div Valve Div), 37-3/4IN (Crane Co Div Valve Div).

What NSN replaces 4820-01-124-8236?

There are 10 known substitutes for 4820-01-124-8236: 5330-00-038-8900, 5935-00-059-3040, 4820-00-202-7642 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37-3/4?

Key specifications for 37-3/4: Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-124-8236 still in active supply?

NSN 4820-01-124-8236 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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