PartsTable
Technical Data Sheet
LH4SR0300 ✓ 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 PIN,QUICK RELEASE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 SPINDLE, grip_length: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, head_diameter: 0.360 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, actuation_type: PULL AND PUSH, shank_diameter: 0.2470 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM IN, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SPINDLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-205-5546, 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
LH4SR0300
NSN: 5315-00-205-5546
FSC: 5315
CAGE: 62060 — SOUTHCO INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 SPINDLE
grip_length0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
head_diameter0.360 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
actuation_typePULL AND PUSH
shank_diameter0.2470 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM IN
detent_quantity2
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SPINDLE
actuation_methodPUSH BUTTON
style_designatorRING HANDLE
surface_treatmentCADMIUM AND CHROMATE SPINDLE
pin_attachment_typeHOOK
ring_handle_diameter1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
NSN5315-00-205-5546
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LH4SR0300 · 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
DETENT QUANTITY: 2
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE SPINDLE
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SHANK
SHOULDER TO HEAD END DISTANCE: 0.935 INCHES MINIMUM IN
STYLE DESIGNATOR: RING HANDLE
ACTUATION TYPE: PULL AND PUSH
ACTUATION METHOD: PUSH BUTTON
TECHNICAL CHARACTERISTICS (FLIS)
DETENT QUANTITY2
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE SPINDLE
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SHANK
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SPINDLE
SHOULDER TO HEAD END DISTANCE0.935 INCHES MINIMUM IN
STYLE DESIGNATORRING HANDLE
ACTUATION TYPEPULL AND PUSH
ACTUATION METHODPUSH BUTTON
PIN ATTACHMENT TYPEHOOK
SURFACE TREATMENTCADMIUM AND CHROMATE SPINDLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A403Interchangeable
interchangeable cross-reference
interchangeable
BLS4R03NInterchangeable
interchangeable cross-reference
interchangeable
13275S04R03Interchangeable
Same NIIN cross-reference
interchangeable
LH4S-R-03MInterchangeable
Same NIIN cross-reference
interchangeable
B40287RNInterchangeable
Same NIIN cross-reference
interchangeable
MS17990-403Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LH4SR0300?
LH4SR0300 is a PIN,QUICK RELEASE.
What parts can replace LH4SR0300?
There are 6 known substitutes for LH4SR0300: A403, BLS4R03N, 13275S04R03 and 3 more. Substitute compatibility should be verified for your specific system.
Is LH4SR0300 still available?
LH4SR0300 is currently cancelled.
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