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Technical Data Sheet
PartsTable / COMPONENT / 1-1/4 IN. BY 3 IN. LG.
1-1/4 IN. BY 3 IN. LG. ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The 1-1/4 IN. BY 3 IN. LG.

is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-926-4238, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1-1/4 IN. BY 3 IN. LG.
NSN: 4710-00-926-4238
FSC: 4710
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number1-1/4 IN. BY 3 IN. LG.
NSN4710-00-926-4238
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1-1/4 IN. BY 3 IN. LG. · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
5-14-365-25Interchangeable
interchangeable cross-reference
interchangeable
113-15Interchangeable
interchangeable cross-reference
interchangeable
712099-040Interchangeable
interchangeable cross-reference
interchangeable
CRF132RInterchangeable
interchangeable cross-reference
interchangeable
6978Interchangeable
interchangeable cross-reference
interchangeable
1131-05Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-1/4 IN. BY 3 IN. LG.?
1-1/4 IN. BY 3 IN. LG. is a 1-1/4 IN. BY 3 IN. LG..
What parts can replace 1-1/4 IN. BY 3 IN. LG.?
There are 8 known substitutes for 1-1/4 IN. BY 3 IN. LG.: 5-14-365-25, 113-15, 712099-040 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-1/4 IN. BY 3 IN. LG.?
1-1/4 IN. BY 3 IN. LG. is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-926-4238. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026