PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16.3Cap,pipe

The American Society of Mechanical Engineers · NSN 4730-00-231-2412 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-231-2412 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-231-2412. Primary manufacturer part number: B16.3.
Features
  • Cap,pipe — FSC 4730
  • Style Designator: CAP
  • Connection Style: PLAIN (OPTIONAL END)
  • Nominal Thread Size: 0.750 INCHES INTERNAL IN
  • Specification/standard Data: 80204-B16.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND INTERNAL
  • Nominal Pipe Size for Which Designed: 0.750 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Cast Malleable Overall construction
General Description

The Cap,pipe, cataloged under National Stock Number 4730-00-231-2412, 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 American Society of Mechanical Engineers. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-231-2412
Primary Part NumberB16.3
Item NameCap,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Style DesignatorCAP
Connection StylePLAIN (OPTIONAL END)
Nominal Thread Size0.750 INCHES INTERNAL IN
Specification/standard Data80204-B16.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND INTERNAL
Nominal Pipe Size for Which Designed0.750 INCHES IN
Nondefinitive Spec/std Data9 TABLE
MaterialIRON CAST MALLEABLE OVERALL
Thread Series DesignatorNPT INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
6615-00-066-1830 INTERCHANGEABLE
Gyroscope,rate
3455-00-307-951251-10628 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5360-00-468-694715564 INTERCHANGEABLE
Spring,helical,compression
Simmonds Precision Products Inc
5950-01-023-595520-80287 INTERCHANGEABLE
Reactor
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
8145-01-222-512415564 INTERCHANGEABLE
Shipping and Storage Container
Naval Inventory Control Point
5340-01-289-6825 INTERCHANGEABLE
Cover,access
6515-01-520-4628008-3015-200 INTERCHANGEABLE
Kit,sample
Honeywell International Inc Dba Honeywell International
5305-01-534-656392196A269 INTERCHANGEABLE
Screw,cap,socket Head
Mcmaster-Carr Supply Co
8040-01-598-5184200305 INTERCHANGEABLE
Adhesive
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
5315-01-696-1230200305 INTERCHANGEABLE
Key,machine
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
1898R200 Meritor Heavy Vehicle Systems, Llc (USA)
N155-38062 Bowes Mfg Inc (USA)
3-4INCAP Crane Co Div Valve Div (USA)
WWP521 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
145-4510924M45 Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA)
200305 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
187535R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
B16.3 PRIMARY The American Society of Mechanical Engineers (USA)
BM11623-58 Demarkus Corp Refrigeration Engineering Corp (USA)
B16.3 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
1898R200 Meritor Industrial Products, Llc (USA)
15564 Demarkus Corp Refrigeration Engineering Corp (USA)
Related Parts
6615-00-066-1830INTERCHANGEABLE
GYROSCOPE,RATE
3455-00-307-9512INTERCHANGEABLE
CUTTER,MILLING,END
51-10628
5360-00-468-6947INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
15564
5950-01-023-5955INTERCHANGEABLE
REACTOR
20-80287
8145-01-222-5124INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER
15564
5340-01-289-6825INTERCHANGEABLE
COVER,ACCESS
6515-01-520-4628INTERCHANGEABLE
KIT,SAMPLE
008-3015-200
5305-01-534-6563INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
92196A269
8040-01-598-5184INTERCHANGEABLE
ADHESIVE
200305
5315-01-696-1230INTERCHANGEABLE
KEY,MACHINE
200305

Frequently Asked Questions

What is NSN 4730-00-231-2412?

NSN 4730-00-231-2412 is a Cap,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-231-2412?

NSN 4730-00-231-2412 has 12 cross-referenced part numbers: 1898R200 (Meritor Heavy Vehicle Systems, Llc), N155-38062 (Bowes Mfg Inc), 3-4INCAP (Crane Co Div Valve Div), WWP521 (Federal Specifications Promulgated by General Services Administration Washington DC), 145-4510924M45 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace) and 7 more.

What NSN replaces 4730-00-231-2412?

There are 10 known substitutes for 4730-00-231-2412: 6615-00-066-1830, 3455-00-307-9512, 5360-00-468-6947 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B16.3?

Key specifications for B16.3: Style Designator: CAP; Connection Style: PLAIN (OPTIONAL END); Nominal Thread Size: 0.750 INCHES INTERNAL IN; Specification/standard Data: 80204-B16.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-231-2412 still in active supply?

NSN 4730-00-231-2412 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.
PartsTable Design LLC · partstable.com