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76-4122 — GEARSHAFT,SPUR,AIRC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

76-4122: GEARSHAFT,SPUR,AIRC.

The GEARSHAFT,SPUR,AIRC is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, bend_radius: 3.500 INCHES NOMINAL IN, wall_thickness: 0.171 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN, inside_diameter: 2.500 INCHES NOMINAL IN, style_designator: CONTINUOUS CURVE, end_item_identification: FIGHTER AIRCRAFT-FIRST (F18 E/F). This part is cataloged in the U.S.

Government catalog under NSN 4720-01-129-3135, 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
76-4122
NSN: 4720-01-129-3135
NIINs: 011293135, 014781946
FSC: 4720 — Hose and Flexible Tubing
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
bend_radius3.500 INCHES NOMINAL IN
wall_thickness0.171 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
inside_diameter2.500 INCHES NOMINAL IN
style_designatorCONTINUOUS CURVE
end_item_identificationFIGHTER AIRCRAFT-FIRST (F18 E/F)
criticality_code_justificationAGAV
NSN4720-01-129-3135
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 76-4122 · 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
•
STYLE DESIGNATOR: CONTINUOUS CURVE
•
WALL THICKNESS: 0.171 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
BEND RADIUS: 3.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCONTINUOUS CURVE
WALL THICKNESS0.171 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
INSIDE DIAMETER2.500 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
BEND RADIUS3.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 76-4122?
76-4122 is a GEARSHAFT,SPUR,AIRC.
What is the NSN for 76-4122?
76-4122 is cataloged in the U.S. Government catalog under NSN 4720-01-129-3135. 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.