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Technical Data Sheet
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73613 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 25.0 SHORE DUROMETER A MINIMUM AND 35.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 2.562 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.688 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 4730-00-335-9315, 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
73613
NSN: 4730-00-335-9315
FSC: 4730
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating25.0 SHORE DUROMETER A MINIMUM AND 35.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter2.562 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.688 INCHES NOMINAL IN
surface_treatmentRUBBER OVERALL
bolt_hole_quantity3
bolt_circle_diameter2.125 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationAMS 3204 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-335-9315
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 73613 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONCENTRIC HOLE DEPTH: 0.895 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN
•
FIRST END CONNECTION TYPE: THREADED EXTERNAL TUBE
•
WRENCHING FEATURE STYLE: HEXAGON
•
FIRST END THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE
•
FIRST END THREAD CLASS: 2A A
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CONCENTRIC HOLE DEPTH0.895 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN
OVERALL LENGTH1.240 INCHES MINIMUM AND 1.282 INCHES MAXIMUM IN
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
WRENCHING FEATURE STYLEHEXAGON
FIRST END THREAD LENGTH0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE
FIRST END THREAD CLASS2A A
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
SECOND DIAMETER FROM WRENCHING FEATURE0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
FIRST END THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
346-7657Interchangeable
interchangeable cross-reference
interchangeable
11-346Interchangeable
interchangeable cross-reference
interchangeable
22019-346Interchangeable
interchangeable cross-reference
interchangeable
60-2110Interchangeable
interchangeable cross-reference
interchangeable
18-2950Interchangeable
interchangeable cross-reference
interchangeable
11345Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 73613?
73613 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 73613?
There are 12 known substitutes for 73613: 346-7657, 11-346, 22019-346 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 73613?
73613 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-335-9315. 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