PartsTable
Technical Data Sheet
PartsTable / COMPONENT / ST9M552-1B
ST9M552-1B ✓ 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 440C SPINDLE, grip_length: 1.500 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN, actuation_type: PUSH, shank_diameter: 0.3110 INCHES MINIMUM AND 0.3115 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM SHANK, actuation_method: PUSH BUTTON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-110-9867, 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
ST9M552-1B
NSN: 5315-01-110-9867
FSC: 5315
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 440C SPINDLE
grip_length1.500 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
actuation_typePUSH
shank_diameter0.3110 INCHES MINIMUM AND 0.3115 INCHES MAXIMUM IN
detent_quantity4
hardness_rating40.0 ROCKWELL C MINIMUM SHANK
actuation_methodPUSH BUTTON
style_designatorL HANDLE
surface_treatmentPASSIVATE SHANK
shoulder_to_head_end_distance1.350 INCHES MAXIMUM IN
detent_to_tapered_end_distance0.400 INCHES MAXIMUM IN
pin_center_to_handle_end_distance0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NSN5315-01-110-9867
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ST9M552-1B · 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
•
ACTUATION METHOD: PUSH BUTTON
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM SHANK
•
SURFACE TREATMENT: PASSIVATE SPINDLE
•
DETENT TO TAPERED END DISTANCE: 0.400 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 630 OR STEEL COMP 632 SHANK
•
SHOULDER TO HEAD END DISTANCE: 1.350 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE
TECHNICAL CHARACTERISTICS (FLIS)
ACTUATION METHODPUSH BUTTON
HARDNESS RATING40.0 ROCKWELL C MINIMUM SHANK
SURFACE TREATMENTPASSIVATE SPINDLE
DETENT TO TAPERED END DISTANCE0.400 INCHES MAXIMUM IN
MATERIALSTEEL COMP 630 OR STEEL COMP 632 SHANK
MATERIALSTEEL COMP 440C SPINDLE
SHOULDER TO HEAD END DISTANCE1.350 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE
STYLE DESIGNATORL HANDLE
PIN CENTER TO HANDLE END DISTANCE0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
53709Interchangeable
interchangeable cross-reference
interchangeable
13803Interchangeable
interchangeable cross-reference
interchangeable
53709REVBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy ST9M552-1B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is ST9M552-1B?
ST9M552-1B is a PIN,QUICK RELEASE.
What parts can replace ST9M552-1B?
There are 3 known substitutes for ST9M552-1B: 53709, 13803, 53709REVB. Substitute compatibility should be verified for your specific system.
What is the NSN for ST9M552-1B?
ST9M552-1B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-110-9867. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — ST9M552-1B

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026