PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FIG1742-100Union,pipe

Flagg Stanley G & Co Inc Dba Flagg Brass · NSN 4730-00-852-8758 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-852-8758 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-852-8758. Primary manufacturer part number: FIG1742-100.
Features
  • Union,pipe — FSC 4730
  • Thread Series Designator: NPT ALL ENDS
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Seat Type: GROUND-JOINT
  • Connection Style: PLAIN (PIPE) SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-852-8758, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 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
NSN4730-00-852-8758
Primary Part NumberFIG1742-100
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFlagg Stanley G & Co Inc Dba Flagg Brass
StatusCANCELLED
Thread Series DesignatorNPT ALL ENDS
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Seat TypeGROUND-JOINT
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size0.500 INCHES ALL ENDS IN
Style DesignatorSCREWED
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentZINC OVERALL
Nominal Overall Length2.688 INCHES IN
MaterialIRON OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5945-00-114-98247686 INTERCHANGEABLE
Relay,thermal
Kurz & Root Generator Company, Llc
5940-00-223-529638ENSIGN7686 INTERCHANGEABLE
Post,binding,electrical
Eby Group, Llc, the Dba Eby Company Div Eby Company
6680-00-235-601755-1-1/2 INTERCHANGEABLE
Indicator,sight,liquid
Kaydon Custom Filtration Corporation
5330-00-391-875755112 INTERCHANGEABLE
Gasket
C & D Equipment Company, Inc.
3120-00-516-19327686 INTERCHANGEABLE
Bearing,sleeve
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5310-00-596-90205511-2 INTERCHANGEABLE
Nut,plain,hexagon
Triumph Controls, Llc Dba Triumph Controls, Llc
5340-00-598-00679975846-5 INTERCHANGEABLE
Clamp,loop
Us Army Aviation and Missile Command
5950-00-645-288255112 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
5962-01-010-9189SN74273N INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5120-01-036-9220 INTERCHANGEABLE
Contact Positioner,terminal Crim
Cross-Reference Index
Part NumberManufacturer
1622-100 Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
519-1-2-1-2 Bros Inc
519-1-2S1ZE1-2 Crane Co Div Valve Div (USA)
551-1/2 Itt Grinnell Corp (USA)
FIG551 1-2 IN Itt Grinnell Corp (USA)
796 1/2IN Stockham Valves and Fittings Inc (USA)
519-1-2-1-2 Crane Co Div Valve Div (USA)
7686 Walworth Co the
FIG1742-100 PRIMARY Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
Related Parts
5945-00-114-9824INTERCHANGEABLE
RELAY,THERMAL
7686
5940-00-223-5296INTERCHANGEABLE
POST,BINDING,ELECTRICAL
38ENSIGN7686
6680-00-235-6017INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
55-1-1/2
5330-00-391-8757INTERCHANGEABLE
GASKET
55112
3120-00-516-1932INTERCHANGEABLE
BEARING,SLEEVE
7686
5310-00-596-9020INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5511-2
5340-00-598-0067INTERCHANGEABLE
CLAMP,LOOP
9975846-5
5950-00-645-2882INTERCHANGEABLE
COIL,RADIO FREQUENCY
55112
5962-01-010-9189INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN74273N
5120-01-036-9220INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
5985-01-078-6821INTERCHANGEABLE
ATTENUATOR,FIXED
768A-6
4720-01-320-3739INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
55112-8-0330

Frequently Asked Questions

What is NSN 4730-00-852-8758?

NSN 4730-00-852-8758 is a Union,pipe, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-852-8758?

NSN 4730-00-852-8758 has 9 cross-referenced part numbers: 1622-100 (Flagg Stanley G & Co Inc Dba Flagg Brass), 519-1-2-1-2 (Bros Inc), 519-1-2S1ZE1-2 (Crane Co Div Valve Div), 551-1/2 (Itt Grinnell Corp), FIG551 1-2 IN (Itt Grinnell Corp) and 4 more.

What NSN replaces 4730-00-852-8758?

There are 12 known substitutes for 4730-00-852-8758: 5945-00-114-9824, 5940-00-223-5296, 6680-00-235-6017 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FIG1742-100?

Key specifications for FIG1742-100: Thread Series Designator: NPT ALL ENDS; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Type: THREADED EXTERNAL PIPE SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-852-8758 still in active supply?

NSN 4730-00-852-8758 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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