PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8301Union,pipe

The Walworth Company · NSN 4730-00-076-3435 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-076-3435 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-076-3435. Primary manufacturer part number: 8301.
Features
  • Union,pipe — FSC 4730
  • Operating Pressure: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Furnished Items and Quantity: 4 BOLT AND 4 SHORT COUPLING NUT AND 1 FOLLOWER RING
  • Media for Which Designed: STEAM FIRST RESPONSE
  • Coupling Flange Shape: ROUND
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Seat Type: GROUND-JOINT
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Body construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-076-3435, 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 The Walworth Company. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-076-3435
Primary Part Number8301
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe Walworth Company
StatusACTIVE
Operating Pressure800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Furnished Items and Quantity4 BOLT AND 4 SHORT COUPLING NUT AND 1 FOLLOWER RING
Media for Which DesignedSTEAM FIRST RESPONSE
Coupling Flange ShapeROUND
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Seat TypeGROUND-JOINT
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Nominal Thread Size1.250 INCHES FIRST END IN
Nominal Pipe Size Accommodated1.250 INCHES FIRST END IN
Material Document and ClassificationMIL-I-1195 MIL SPEC ALL MATERIAL RESPONSES BODY
Thread Series DesignatorNPT FIRST END
Connection StylePLAIN (PIPE) FIRST END
MaterialIRON BODY
Nominal Overall Length3.125 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2990-00-119-37238301 INTERCHANGEABLE
Control Assembly,push-Pull
Pdi Ground Support Systems, Inc.
4510-00-400-51448301 INTERCHANGEABLE
Shower-Eye and Face Wash,emergen
Haws Corporation
3110-00-554-3089 INTERCHANGEABLE
Bearing,ball,annular
5330-00-794-2698 INTERCHANGEABLE
Gasket
5310-01-011-6917 INTERCHANGEABLE
Washer
2530-01-087-0993 INTERCHANGEABLE
Block,pushrod
5930-01-181-73475944384 INTERCHANGEABLE
Switch,pressure
Naval Sea Systems Command
6530-01-301-88718301 INTERCHANGEABLE
Drape,surgical
Tidi Products
5961-01-323-08048301 INTERCHANGEABLE
Semiconductor Device,diode
Lestek Intl Ltd
6150-01-642-59118301 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Logos Imaging Llc
Cross-Reference Index
Part NumberManufacturer
8301 The Walworth Company (USA)
Related Parts
2990-00-119-3723INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
8301
4510-00-400-5144INTERCHANGEABLE
SHOWER-EYE AND FACE WASH,EMERGEN
8301
3110-00-554-3089INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-794-2698INTERCHANGEABLE
GASKET
5310-01-011-6917INTERCHANGEABLE
WASHER
2530-01-087-0993INTERCHANGEABLE
BLOCK,PUSHROD
5930-01-181-7347INTERCHANGEABLE
SWITCH,PRESSURE
5944384
6530-01-301-8871INTERCHANGEABLE
DRAPE,SURGICAL
8301
5961-01-323-0804INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
8301
6150-01-642-5911INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
8301
1005-01-727-6640INTERCHANGEABLE
ADAPTER RAIL,WEAPON MOUNTED
8301

Frequently Asked Questions

What is NSN 4730-00-076-3435?

NSN 4730-00-076-3435 is a Union,pipe, manufactured by The Walworth Company, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-076-3435?

NSN 4730-00-076-3435 has 1 cross-referenced part number: 8301 (The Walworth Company).

What NSN replaces 4730-00-076-3435?

There are 11 known substitutes for 4730-00-076-3435: 2990-00-119-3723, 4510-00-400-5144, 3110-00-554-3089 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8301?

Key specifications for 8301: Operating Pressure: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Furnished Items and Quantity: 4 BOLT AND 4 SHORT COUPLING NUT AND 1 FOLLOWER RING; Media for Which Designed: STEAM FIRST RESPONSE; Coupling Flange Shape: ROUND. 14 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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