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Technical Data Sheet
PartsTable / MRO / 2D4
2D4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, nut_style: HEXAGON, body_style: PANEL MOUNT, body_width: 0.780 INCHES NOMINAL IN, nut_height: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN, body_height: 1.000 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 5310-00-268-6042, 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
MRO→ MRO_GENERAL→ 2D4
NSN: 5310-00-268-6042
FSC: 5310
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
nut_styleHEXAGON
body_stylePANEL MOUNT
body_width0.780 INCHES NOMINAL IN
nut_height0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
body_height1.000 INCHES NOMINAL IN
body_length0.906 INCHES MAXIMUM IN
thread_class3B
overall_width0.780 INCHES NOMINAL IN
thread_seriesUNF
actuator_styleRECTANGULAR
actuator_width0.780 INCHES NOMINAL IN
NSN5310-00-268-6042
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2D4 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NUT HEIGHT: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
HARDNESS RATING: 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
•
WIDTH ACROSS FLATS: 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
BEARING SURFACE TYPE: WASHER FACED
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
THREAD SERIESUNF
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.312 INCHES IN
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
BEARING SURFACE TYPEWASHER FACED
NUT STYLEHEXAGON
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 8740 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
02439Interchangeable
interchangeable cross-reference
interchangeable
6002-561Interchangeable
interchangeable cross-reference
interchangeable
2439Interchangeable
interchangeable cross-reference
interchangeable
2402536Interchangeable
interchangeable cross-reference
interchangeable
85850BInterchangeable
interchangeable cross-reference
interchangeable
M3081Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2D4?
2D4 is a HOSE ASSEMBLY,NONMETALLIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2D4?
There are 17 known substitutes for 2D4: 02439, 6002-561, 2439 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2D4?
2D4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-268-6042. 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