PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4135/040Cross,pipe

Flagg Stanley G & Co Inc Dba Flagg Brass · NSN 4730-01-074-6965 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-074-6965 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-074-6965. Primary manufacturer part number: 4135/040.
Features
  • Cross,pipe — FSC 4730
  • Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Leg Length: 0.710 INCHES NOMINAL ALL ENDS IN
  • Media for Which Designed: STEAM SINGLE RESPONSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Cross,pipe, cataloged under National Stock Number 4730-01-074-6965, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN4730-01-074-6965
Primary Part Number4135/040
Item NameCross,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFlagg Stanley G & Co Inc Dba Flagg Brass
StatusACTIVE
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StylePLAIN (PIPE) ALL ENDS
Leg Length0.710 INCHES NOMINAL ALL ENDS IN
Media for Which DesignedSTEAM SINGLE RESPONSE
Thread Series DesignatorNPT ALL ENDS
Nondefinitive Spec/std DataA CLASS
Nominal Thread Size0.250 INCHES ALL ENDS IN
Specification/standard Data81348-WW-P-460B GOVERNMENT SPECIFICATION
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-187-7651 INTERCHANGEABLE
Coupling,pipe
4730-00-249-3895 INTERCHANGEABLE
Elbow,pipe
4730-00-253-5794 INTERCHANGEABLE
Elbow,pipe
4730-00-256-8512300-8IN INTERCHANGEABLE
Flange,pipe
The Walworth Company
4730-00-277-1896 INTERCHANGEABLE
Bushing,pipe
4730-00-277-5553 INTERCHANGEABLE
Elbow,pipe
4730-00-908-7658 INTERCHANGEABLE
Cross,pipe
4730-01-047-3667 INTERCHANGEABLE
Plug,pipe
4730-01-186-5995 INTERCHANGEABLE
Tee,pipe
4730-01-194-1966CA05JA151 INTERCHANGEABLE
Elbow,pipe
Carrier Corp
Cross-Reference Index
Part NumberManufacturer
B16.15 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
WW-P-460 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3153995 Naval Sea Systems Command (USA)
4135/040 PRIMARY Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
Related Parts
4730-00-187-7651INTERCHANGEABLE
COUPLING,PIPE
4730-00-249-3895INTERCHANGEABLE
ELBOW,PIPE
4730-00-253-5794INTERCHANGEABLE
ELBOW,PIPE
4730-00-256-8512INTERCHANGEABLE
FLANGE,PIPE
300-8IN
4730-00-277-1896INTERCHANGEABLE
BUSHING,PIPE
4730-00-277-5553INTERCHANGEABLE
ELBOW,PIPE
4730-00-908-7658INTERCHANGEABLE
CROSS,PIPE
4730-01-047-3667INTERCHANGEABLE
PLUG,PIPE
4730-01-186-5995INTERCHANGEABLE
TEE,PIPE
4730-01-194-1966INTERCHANGEABLE
ELBOW,PIPE
CA05JA151
4730-01-318-9672INTERCHANGEABLE
ELBOW,PIPE
15-02-0710
4730-01-326-6979INTERCHANGEABLE
PLUG,PIPE

Frequently Asked Questions

What is NSN 4730-01-074-6965?

NSN 4730-01-074-6965 is a Cross,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 4730-01-074-6965?

NSN 4730-01-074-6965 has 4 cross-referenced part numbers: B16.15 (American National Standards Institute Incorporated Dba American National Standards Institute), WW-P-460 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3153995 (Naval Sea Systems Command), 4135/040 (Flagg Stanley G & Co Inc Dba Flagg Brass).

What NSN replaces 4730-01-074-6965?

There are 12 known substitutes for 4730-01-074-6965: 4730-00-187-7651, 4730-00-249-3895, 4730-00-253-5794 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4135/040?

Key specifications for 4135/040: Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF. 12 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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