PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5305-250Elbow,pipe

Flagg Stanley G & Co Inc Dba Flagg Brass · NSN 4730-00-542-5209 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-5209 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-5209. Primary manufacturer part number: 5305-250.
Features
  • Elbow,pipe — FSC 4730
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Media for Which Designed: STEAM FIRST RESPONSE
  • Flow Angle: 90.0 DEGREES
  • Furnished Items and Quantity: 2 BRAZING RING
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Nondefinitive Spec/std Data: 36 SIZE AND A TYPE AND 4 CODE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-542-5209, 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 Flagg Stanley G & Co Inc Dba Flagg Brass. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN4730-00-542-5209
Primary Part Number5305-250
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFlagg Stanley G & Co Inc Dba Flagg Brass
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Media for Which DesignedSTEAM FIRST RESPONSE
Flow Angle90.0 DEGREES
Furnished Items and Quantity2 BRAZING RING
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Nondefinitive Spec/std Data36 SIZE AND A TYPE AND 4 CODE
Specification/standard Data81349-MIL-F-1183J GOVERNMENT SPECIFICATION
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Union Joint LocationFIRST END
Connection StyleSOCKET W/ GROVE (PIPE) ALL ENDS
Leg Length1.937 INCHES NOMINAL SECOND END IN
Leg Length3.656 INCHES NOMINAL FIRST END IN
Maximum Operating Temp425.0 FAHRENHEIT FIRST RESPONSE DEGF
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Nominal Pipe Size Accommodated1.250 INCHES ALL ENDS IN
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-277-7921 INTERCHANGEABLE
Elbow,tube
4730-00-542-5205 INTERCHANGEABLE
Elbow,tube
4730-00-542-5206 INTERCHANGEABLE
Elbow,tube
4730-00-542-5207 INTERCHANGEABLE
Elbow,tube
4730-00-542-5210 INTERCHANGEABLE
Elbow,tube
4730-00-542-5211 INTERCHANGEABLE
Elbow,tube
4730-00-542-5213 INTERCHANGEABLE
Elbow,pipe
4730-00-542-5214 INTERCHANGEABLE
Elbow,tube
4730-00-542-5215 INTERCHANGEABLE
Elbow,pipe
4730-00-542-5216 INTERCHANGEABLE
Elbow,tube
Cross-Reference Index
Part NumberManufacturer
5305-250 Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
MIL-F-1183/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-1183/11-36A4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-277-7921INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5205INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5206INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5207INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5210INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5211INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5213INTERCHANGEABLE
ELBOW,PIPE
4730-00-542-5214INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5215INTERCHANGEABLE
ELBOW,PIPE
4730-00-542-5216INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5275INTERCHANGEABLE
ELBOW,TUBE
4730-01-032-6941INTERCHANGEABLE
RING,NUT,TUBE COUPLING

Frequently Asked Questions

What is NSN 4730-00-542-5209?

NSN 4730-00-542-5209 is a Elbow,pipe, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-542-5209?

NSN 4730-00-542-5209 has 3 cross-referenced part numbers: 5305-250 (Flagg Stanley G & Co Inc Dba Flagg Brass), MIL-F-1183/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-1183/11-36A4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-542-5209?

There are 12 known substitutes for 4730-00-542-5209: 4730-00-277-7921, 4730-00-542-5205, 4730-00-542-5206 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5305-250?

Key specifications for 5305-250: Material: COPPER ALLOY OVERALL; Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Media for Which Designed: STEAM FIRST RESPONSE; Flow Angle: 90.0 DEGREES. 20 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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