PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1-250Trap,steam

Itt Fluid Technology Corp Itt Mcdonnell and Miller · NSN 4730-00-640-6117 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-640-6117 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-640-6117. Primary manufacturer part number: B1-250.
Features
  • Trap,steam — FSC 4730
  • Body Design: STRAIGHT PATTERN
  • Maximum Steam Working Pressure: ERR-060
  • Material: STEEL BODY
  • Design Type: BUCKET
  • Inlet Connection Type: FEMALE IRON PIPE
  • Rated Capacity at Maximum Working Pressure: 655.000 POUNDS OF WATER PER HOUR LBS
  • Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Applications requiring Steel Body construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-640-6117, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Itt Fluid Technology Corp Itt Mcdonnell and Miller. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-640-6117
Primary Part NumberB1-250
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerItt Fluid Technology Corp Itt Mcdonnell and Miller
StatusCANCELLED
Body DesignSTRAIGHT PATTERN
Maximum Steam Working PressureERR-060
MaterialSTEEL BODY
Design TypeBUCKET
Inlet Connection TypeFEMALE IRON PIPE
Rated Capacity at Maximum Working Pressure655.000 POUNDS OF WATER PER HOUR LBS
Thread DirectionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Reference Number Differentiating Characteristics1/2 IN. SIZE OF PIPE CONNECTION IN
MaterialSTEEL CORROSION RESISTING WORKING PARTS
Outlet Connection TypeFEMALE IRON PIPE
Screw Thread Series DesignatorNPT LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5999-00-077-1064 INTERCHANGEABLE
Magnet,permanent
6250-00-113-9848200285-179 INTERCHANGEABLE
Lampholder Assembly
Stromberg-Carlson Corp a Plessey Telecommunications Co
5340-00-290-414311932 INTERCHANGEABLE
Hook,screw
Hindley Manufacturing Company Inc
1650-00-542-2060 INTERCHANGEABLE
Filter Element,fluid
5310-00-638-929050FP2-632 INTERCHANGEABLE
Nut,self-Locking,clinch
Sps Technologies, Llc Dba PB Fasteners
6210-00-865-3449 INTERCHANGEABLE
Lens,light
5360-01-263-4221B1250 INTERCHANGEABLE
Spring,helical,compression
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4720-01-512-28677D3-07764 REV R ITEM 51 INTERCHANGEABLE
Hose,nonmetallic
Lake Shore Systems, Inc.
4820-01-560-735081112 INTERCHANGEABLE
Valve,diaphragm,stop
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
B1-250 Itt Fluid Technology Corp Itt Mcdonnell and Miller (USA)
811-1/2 Armstrong International Inc Dba Armstrong Machine Works (USA)
119AE The Clark-Eliance Corp (USA)
119 The Clark-Eliance Corp (USA)
790-5/64 OR -1/2SZ Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
801 Armstrong International Inc Dba Armstrong Machine Works (USA)
601A-1/2INCH Itt Fluid Technology Corp Itt Mcdonnell and Miller (USA)
10 Anderson International Corp (USA)
110 Anderson International Corp (USA)
119-200-1/2 The Clark-Eliance Corp (USA)
Related Parts
5999-00-077-1064INTERCHANGEABLE
MAGNET,PERMANENT
6250-00-113-9848INTERCHANGEABLE
LAMPHOLDER ASSEMBLY
200285-179
5340-00-290-4143INTERCHANGEABLE
HOOK,SCREW
11932
1650-00-542-2060INTERCHANGEABLE
FILTER ELEMENT,FLUID
5310-00-638-9290INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
50FP2-632
6210-00-865-3449INTERCHANGEABLE
LENS,LIGHT
5360-01-263-4221INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
B1250
4720-01-512-2867INTERCHANGEABLE
HOSE,NONMETALLIC
7D3-07764 REV R ITEM 51
4820-01-560-7350INTERCHANGEABLE
VALVE,DIAPHRAGM,STOP
81112

Frequently Asked Questions

What is NSN 4730-00-640-6117?

NSN 4730-00-640-6117 is a Trap,steam, manufactured by Itt Fluid Technology Corp Itt Mcdonnell and Miller, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-640-6117?

NSN 4730-00-640-6117 has 10 cross-referenced part numbers: B1-250 (Itt Fluid Technology Corp Itt Mcdonnell and Miller), 811-1/2 (Armstrong International Inc Dba Armstrong Machine Works), 119AE (The Clark-Eliance Corp), 119 (The Clark-Eliance Corp), 790-5/64 OR -1/2SZ (Pentair Valves & Controls Us Lp Div Pentair Flow Control) and 5 more.

What NSN replaces 4730-00-640-6117?

There are 9 known substitutes for 4730-00-640-6117: 5999-00-077-1064, 6250-00-113-9848, 5340-00-290-4143 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B1-250?

Key specifications for B1-250: Body Design: STRAIGHT PATTERN; Maximum Steam Working Pressure: ERR-060; Material: STEEL BODY; Design Type: BUCKET. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-640-6117 still in active supply?

NSN 4730-00-640-6117 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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