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Technical Data Sheet
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3109540 — 3109540

✓ Government record, cited
OSHKOSH DEFENSE LLC · PIPE SECTION
PRODUCT OVERVIEW

3109540: 3109540.

The 3109540 is a OSHKOSH DEFENSE LLC industrial component. This part is cataloged in the U.S. Government catalog under NSN 4720-01-453-7311, 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
3109540
NSN: 4720-01-453-7311
FSC: 4720 — Hose and Flexible Tubing
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
Part Number3109540
ManufacturerOSHKOSH DEFENSE LLC
NSN4720-01-453-7311
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3109540 · OSHKOSH DEFENSE LLC ⚠ 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
•
FLOW ANGLE: 90.0 DEGREES SECOND END
•
MEASURING METHOD AND LENGTH: 72.000 INCHES NOMINAL OVERALL IN
•
TEMP RATING: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 9.500 INCHES IN
•
CONNECTION STYLE: SWIVEL NUT FLARE SECOND END
•
END CONNECTION DESIGN: ELBOW SECOND END
TECHNICAL CHARACTERISTICS
FLOW ANGLE90.0 DEGREES SECOND END
MEASURING METHOD AND LENGTH72.000 INCHES NOMINAL OVERALL IN
TEMP RATING-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS9.500 INCHES IN
CONNECTION STYLESWIVEL NUT FLARE SECOND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
END CONNECTION DESIGNELBOW SECOND END
END CONNECTION DESIGNSTRAIGHT FIRST END
LAYER COMPOSITION AND LOCATION2ND LAYER BRAIDED STEEL WIRE AND 3RD LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST END
SUBSTITUTES & CROSS-REFERENCES 1
F3810541161612Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3109540?
3109540 is a 3109540 manufactured by OSHKOSH DEFENSE LLC.
What parts can replace 3109540?
There is 1 known substitute for 3109540: F3810541161612. Substitute compatibility should be verified for your specific system.
What is the NSN for 3109540?
3109540 is cataloged in the U.S. Government catalog under NSN 4720-01-453-7311. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.