PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

622-3/8Elbow,pipe

Stockham Valves and Fittings Inc · NSN 4730-00-254-1801 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-254-1801 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-254-1801. Primary manufacturer part number: 622-3/8.
Features
  • Elbow,pipe — FSC 4730
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Specification/standard Data: 81348-WW-P-521 GOVERNMENT SPECIFICATION AND 96906-MS39231 GOVERNMENT STANDARD
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Thread Series Designator: NPT ALL ENDS
  • Material: IRON OR IRON ALLOY OVERALL
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron or Iron Alloy Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-254-1801, 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 Stockham Valves and Fittings Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 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
NSN4730-00-254-1801
Primary Part Number622-3/8
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerStockham Valves and Fittings Inc
StatusCANCELLED
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Specification/standard Data81348-WW-P-521 GOVERNMENT SPECIFICATION AND 96906-MS39231 GOVERNMENT STANDARD
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Thread Series DesignatorNPT ALL ENDS
MaterialIRON OR IRON ALLOY OVERALL
Nominal Thread Size0.375 INCHES ALL ENDS IN
Flow Angle45.0 DEGREES
Connection TypeTHREADED INTERNAL PIPE FIRST END
Leg Length0.800 INCHES NOMINAL FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StylePLAIN (PIPE) SECOND END
Connection StylePLAIN (PIPE) ALL ENDS
Maximum Operating Temp500.0 FAHRENHEIT FIRST RESPONSE DEGF
Leg Length1.030 INCHES NOMINAL SECOND END IN
Media for Which DesignedSTEAM FIRST RESPONSE
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Surface TreatmentZINC OVERALL
Nondefinitive Spec/std Data2 TYPE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2910-00-073-343162238 INTERCHANGEABLE
Filter,fuel
John Deer Consumer Products Inc
3110-00-112-632994622 INTERCHANGEABLE
Roller,bearing
Rbc Bearings Incorporated Div West Trenton Division
5975-00-222-3516709106 INTERCHANGEABLE
Ring,crimping-Inter
Unison Industries Llc
5120-00-264-5217 INTERCHANGEABLE
Wrench,box
6150-00-332-177562238 INTERCHANGEABLE
Cable Assy
Textron Lycoming Inc Williamsport Plant
5330-00-621-11168F5180 INTERCHANGEABLE
Gasket
Caterpillar Inc Div Caterpillar Defense
3120-00-662-58584B19S6-009 INTERCHANGEABLE
Bushing,sleeve
The Boeing Company Div Legacy Am&m
5815-00-718-6197 INTERCHANGEABLE
Type Bar,teletypewriter
5331-00-948-64823-908 V894-90 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5330-00-969-28281989 INTERCHANGEABLE
Packing,preformed
Lawler Manufacturing Company, Inc.
Cross-Reference Index
Part NumberManufacturer
622-3/8 Stockham Valves and Fittings Inc (USA)
4720002541801 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
4720002541801 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MS39231-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
144119 General Motors Corp (USA)
1989 Fwd Seagrave Holdings Lp (USA)
ASME B16.3 The American Society of Mechanical Engineers (USA)
1405500 Maxon Industries, Inc. (USA)
WWP521 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
2910-00-073-3431INTERCHANGEABLE
FILTER,FUEL
62238
3110-00-112-6329INTERCHANGEABLE
ROLLER,BEARING
94622
5975-00-222-3516INTERCHANGEABLE
RING,CRIMPING-INTER
709106
5120-00-264-5217INTERCHANGEABLE
WRENCH,BOX
6150-00-332-1775INTERCHANGEABLE
CABLE ASSY
62238
5330-00-621-1116INTERCHANGEABLE
GASKET
8F5180
3120-00-662-5858INTERCHANGEABLE
BUSHING,SLEEVE
4B19S6-009
5815-00-718-6197INTERCHANGEABLE
TYPE BAR,TELETYPEWRITER
5331-00-948-6482INTERCHANGEABLE
O-RING
3-908 V894-90
5330-00-969-2828INTERCHANGEABLE
PACKING,PREFORMED
1989
3020-01-141-7049INTERCHANGEABLE
PULLEY,TIMING BELT
2510-01-224-8391INTERCHANGEABLE
SUPPORT,RADIATOR CORE
1405500

Frequently Asked Questions

What is NSN 4730-00-254-1801?

NSN 4730-00-254-1801 is a Elbow,pipe, manufactured by Stockham Valves and Fittings Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-254-1801?

NSN 4730-00-254-1801 has 9 cross-referenced part numbers: 622-3/8 (Stockham Valves and Fittings Inc), 4720002541801 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 4720002541801 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), MS39231-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 144119 (General Motors Corp) and 4 more.

What NSN replaces 4730-00-254-1801?

There are 12 known substitutes for 4730-00-254-1801: 2910-00-073-3431, 3110-00-112-6329, 5975-00-222-3516 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 622-3/8?

Key specifications for 622-3/8: Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Specification/standard Data: 81348-WW-P-521 GOVERNMENT SPECIFICATION AND 96906-MS39231 GOVERNMENT STANDARD; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-254-1801 still in active supply?

NSN 4730-00-254-1801 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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