PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A733S-103CFBNipple,pipe

American Society for Testing and Materials Dba Astm International · NSN 4730-00-277-9981 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-9981 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-9981. Primary manufacturer part number: A733S-103CFB.
Features
  • Nipple,pipe — FSC 4730
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Material Document and Classification: ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Style Designator: LONG
  • Nominal Overall Length: 3.000 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-277-9981, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-9981
Primary Part NumberA733S-103CFB
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusCANCELLED
Nominal Thread Size0.750 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Material Document and ClassificationASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentOXIDE OVERALL
Connection StylePLAIN (PIPE) ALL ENDS
Style DesignatorLONG
Nominal Overall Length3.000 INCHES IN
MaterialSTEEL OVERALL
Thread Series DesignatorNPT ALL ENDS
Specification/standard Data81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51953 GOVERNMENT STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2940-00-333-53181R0721 INTERCHANGEABLE
Filter Element,fluid
Caterpillar Inc Div Caterpillar Defense
5962-01-141-472236755 INTERCHANGEABLE
Microcircuit,linear
Thales Defense & Security Inc Dba Thales Communications Inc
5110-01-571-1610 INTERCHANGEABLE
File,hand
Cross-Reference Index
Part NumberManufacturer
WWN351 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MPD9484-59-20 Met-Pro Corporation (USA)
WWN351 Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc (USA)
BM11352-109 Demarkus Corp Refrigeration Engineering Corp (USA)
MS51953-103B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ASTM-A733 American Society for Testing and Materials Dba Astm International (USA)
BM11377-38 Demarkus Corp Refrigeration Engineering Corp (USA)
A733S-103CFB PRIMARY American Society for Testing and Materials Dba Astm International (USA)
4253-142-8 Consolidated Welding and Engineering Co (USA)
45-5600-007-030 Chief of Engineers Dept of Army (USA)
36755 Fwd Seagrave Holdings Lp (USA)
Related Parts
2940-00-333-5318INTERCHANGEABLE
FILTER ELEMENT,FLUID
1R0721
5962-01-141-4722INTERCHANGEABLE
MICROCIRCUIT,LINEAR
36755
5110-01-571-1610INTERCHANGEABLE
FILE,HAND

Frequently Asked Questions

What is NSN 4730-00-277-9981?

NSN 4730-00-277-9981 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 4730-00-277-9981?

NSN 4730-00-277-9981 has 11 cross-referenced part numbers: WWN351 (Federal Specifications Promulgated by General Services Administration Washington DC), MPD9484-59-20 (Met-Pro Corporation), WWN351 (Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc), BM11352-109 (Demarkus Corp Refrigeration Engineering Corp), MS51953-103B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 4730-00-277-9981?

There are 3 known substitutes for 4730-00-277-9981: 2940-00-333-5318, 5962-01-141-4722, 5110-01-571-1610. Verify interchangeability with system specifications before substitution.

What are the specifications of A733S-103CFB?

Key specifications for A733S-103CFB: Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Material Document and Classification: ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: OXIDE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-9981 still in active supply?

NSN 4730-00-277-9981 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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