PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A733S-173CFBNipple,pipe

American Society for Testing and Materials Dba Astm International · NSN 4730-00-277-8890 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-8890 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-8890. Primary manufacturer part number: A733S-173CFB.
Features
  • Nipple,pipe — FSC 4730
  • Surface Treatment: OXIDE OVERALL
  • Style Designator: LONG
  • Thread Series Designator: NPT ALL ENDS
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Nominal Overall Length: 3.500 INCHES IN
  • Specification/standard Data: 81346-ASTM A733-3 1/2-1 1/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material Document and Classification: ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-277-8890, 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 American Society for Testing and Materials Dba Astm International. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-8890
Primary Part NumberA733S-173CFB
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusCANCELLED
Surface TreatmentOXIDE OVERALL
Style DesignatorLONG
Thread Series DesignatorNPT ALL ENDS
Connection StylePLAIN (PIPE) ALL ENDS
Nominal Overall Length3.500 INCHES IN
Specification/standard Data81346-ASTM A733-3 1/2-1 1/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Material Document and ClassificationASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size1.500 INCHES ALL ENDS IN
Nondefinitive Spec/std DataLONG TYPE
MaterialSTEEL OVERALL
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 40 ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5305-00-013-7772219375 INTERCHANGEABLE
Screw,machine
Woodward, Inc. Div Fuel Systems and Controls
4730-01-156-9975W138326P8 INTERCHANGEABLE
Nipple,pipe
Ingersoll-Rand Company Dba Rotary Compressor Division
4730-01-157-3489W138326P13 INTERCHANGEABLE
Nipple,pipe
Ingersoll-Rand Company Dba Rotary Compressor Division
4730-01-157-3490W138326P11 INTERCHANGEABLE
Nipple,pipe
Ingersoll-Rand Company Dba Rotary Compressor Division
4730-01-157-3491W138326P10 INTERCHANGEABLE
Nipple,pipe
Ingersoll-Rand Company Dba Rotary Compressor Division
4710-01-157-7948W138326P17 INTERCHANGEABLE
Pipe,metallic
Ingersoll-Rand Company Dba Rotary Compressor Division
4730-01-157-7961W138326P16 INTERCHANGEABLE
Nipple,pipe
Ingersoll-Rand Company Dba Rotary Compressor Division
6525-01-477-0683524-5766 INTERCHANGEABLE
Film,radiographic
Eastman Kodak Co
5310-01-529-0036219-378 INTERCHANGEABLE
Nut,plain,hexagon
Crane Carrier Company, Llc
Cross-Reference Index
Part NumberManufacturer
219378 General Motors Corp (USA)
ASTM-A733 American Society for Testing and Materials Dba Astm International (USA)
A733S-173CFB PRIMARY American Society for Testing and Materials Dba Astm International (USA)
W138326P12 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
MS51953-173B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
W138326P12 Ingersoll-Rand Company Dba Rotary Compressor Division (USA)
0000573 Met-Pro Corporation (USA)
W138326 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
Related Parts
5305-00-013-7772INTERCHANGEABLE
SCREW,MACHINE
219375
4730-01-156-9975INTERCHANGEABLE
NIPPLE,PIPE
W138326P8
4730-01-157-3489INTERCHANGEABLE
NIPPLE,PIPE
W138326P13
4730-01-157-3490INTERCHANGEABLE
NIPPLE,PIPE
W138326P11
4730-01-157-3491INTERCHANGEABLE
NIPPLE,PIPE
W138326P10
4710-01-157-7948INTERCHANGEABLE
PIPE,METALLIC
W138326P17
4730-01-157-7961INTERCHANGEABLE
NIPPLE,PIPE
W138326P16
6525-01-477-0683INTERCHANGEABLE
FILM,RADIOGRAPHIC
524-5766
5310-01-529-0036INTERCHANGEABLE
NUT,PLAIN,HEXAGON
219-378

Frequently Asked Questions

What is NSN 4730-00-277-8890?

NSN 4730-00-277-8890 is a Nipple,pipe, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-277-8890?

NSN 4730-00-277-8890 has 8 cross-referenced part numbers: 219378 (General Motors Corp), ASTM-A733 (American Society for Testing and Materials Dba Astm International), A733S-173CFB (American Society for Testing and Materials Dba Astm International), W138326P12 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture), MS51953-173B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 4730-00-277-8890?

There are 9 known substitutes for 4730-00-277-8890: 5305-00-013-7772, 4730-01-156-9975, 4730-01-157-3489 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A733S-173CFB?

Key specifications for A733S-173CFB: Surface Treatment: OXIDE OVERALL; Style Designator: LONG; Thread Series Designator: NPT ALL ENDS; Connection Style: PLAIN (PIPE) ALL ENDS. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-8890 still in active supply?

NSN 4730-00-277-8890 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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