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Technical Data Sheet
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D128 — Technical Data Sheet

✓ Verified by PartsTable
— · NUT WASHER
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 PARTS KIT,UNIVERSAL JOINT is a the manufacturer industrial component. Key specifications include radius: 0.406 INCHES NOMINAL IN, material: STEEL OVERALL, document_type: ENGINEERING DRAWING, end_item_name: PROPELLER SHAFT, hole_diameter: 0.128 INCHES NOMINAL IN, overall_width: 0.578 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-305-1507, 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
D128
NSN: 5310-00-305-1507
FSC: 5310
CAGE: 85480 — BRADY UNITED STATES (USA)
SPECIFICATIONS
radius0.406 INCHES NOMINAL IN
materialSTEEL OVERALL
document_typeENGINEERING DRAWING
end_item_namePROPELLER SHAFT
hole_diameter0.128 INCHES NOMINAL IN
overall_width0.578 INCHES NOMINAL IN
overall_height0.094 INCHES NOMINAL IN
overall_length0.516 INCHES NOMINAL IN
document_source19207
end_item_source19207
special_featuresONE EDGE OF WASHER ROUNDED WITH 13/32 IN. RADIUS IN
style_designatorSADDLE
NSN5310-00-305-1507
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D128 · 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
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL THICKNESS: 0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.128 INCHES NOMINAL IN
•
THICKNESS AT BOLT HOLE: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTANODIZE OVERALL
OVERALL WIDTH0.564 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN
MATERIAL THICKNESS0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
HOLE DIAMETER0.128 INCHES NOMINAL IN
SPECIAL FEATURESONE EDGE OF WASHER ROUNDED WITH 13/32 IN. RADIUS IN
OVERALL LENGTH0.500 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN
THICKNESS AT BOLT HOLE0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY OVERALL
STYLE DESIGNATORSADDLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3-0056InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1270-053-4184InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
17330InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1JC8039H04InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
560568InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
154530.01InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D128?
D128 is a PARTS KIT,UNIVERSAL JOINT.
What parts can replace D128?
There are 12 known substitutes for D128: 3-0056, 1270-053-4184, 17330 and 9 more. Substitute compatibility should be verified for your specific system.
Is D128 still available?
D128 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026