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Technical Data Sheet
PartsTable / COMPONENT / D91-1
D91-1 ✓ 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 D91-1 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 3.562 INCHES NOMINAL IN, special_features: W/BUSHING INSERT;DEPTH FROM PIVOT PINHOLE CENTERLINE TO POINT OF ENGAGEMENT:0.500 IN.NOM IN, style_designator: TWO HOLES, PIVOT OPPOSITE LOWER HOOK, ANGLED ARM, material_thickness: 0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, pivot_pin_hole_diameter: 0.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-134-4655, 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
D91-1
NSN: 4720-00-134-4655
FSC: 4720
CAGE: 03533 — CRANE CARRIER COMPANY, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length3.562 INCHES NOMINAL IN
special_featuresW/BUSHING INSERT;DEPTH FROM PIVOT PINHOLE CENTERLINE TO POINT OF ENGAGEMENT:0.500 IN.NOM IN
style_designatorTWO HOLES, PIVOT OPPOSITE LOWER HOOK, ANGLED ARM
material_thickness0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
pivot_pin_hole_diameter0.625 INCHES NOMINAL IN
length_from_pivot_pinhole_centerline_to_point_of_engagement2.875 INCHES NOMINAL IN
NSN4720-00-134-4655
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: D91-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
9113Interchangeable
interchangeable cross-reference
interchangeable
1350-17050PC10Interchangeable
interchangeable cross-reference
interchangeable
V5324KInterchangeable
interchangeable cross-reference
interchangeable
5324KInterchangeable
interchangeable cross-reference
interchangeable
113KSInterchangeable
interchangeable cross-reference
interchangeable
3L13X1AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D91-1?
D91-1 is a D91-1.
What parts can replace D91-1?
There are 23 known substitutes for D91-1: 9113, 1350-17050PC10, V5324K and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D91-1?
D91-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-134-4655. 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