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PartsTable / COMPONENT / S6172-70044-1
S6172-70044-1 ✓ 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: 4.800 INCHES MINIMUM AND 4.830 INCHES MAXIMUM IN, head_diameter: 0.670 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN, actuation_type: PULL AND PUSH, shank_diameter: 0.6220 INCHES MINIMUM AND 0.6235 INCHES MAXIMUM IN, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SPINDLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-023-5987, 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
S6172-70044-1
NSN: 5315-00-023-5987
FSC: 5315
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 SPINDLE
grip_length4.800 INCHES MINIMUM AND 4.830 INCHES MAXIMUM IN
head_diameter0.670 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
actuation_typePULL AND PUSH
shank_diameter0.6220 INCHES MINIMUM AND 0.6235 INCHES MAXIMUM IN
detent_quantity2
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SPINDLE
style_designatorRING HANDLE
features_providedDRIVE OUT FEATURE
surface_treatmentCADMIUM AND CHROMATE SHANK
pin_attachment_typeHOOK
ring_handle_diameter1.400 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
NSN5315-00-023-5987
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S6172-70044-1 · 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
•
SHANK DIAMETER: 0.6220 INCHES MINIMUM AND 0.6235 INCHES MAXIMUM IN
•
HARDNESS RATING: 51.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM SHANK
•
ACTUATION TYPE: PULL AND PUSH
•
MATERIAL: STEEL COMP E4340 OR STEEL COMP 4340 SHANK
•
STYLE DESIGNATOR: RING HANDLE
•
FEATURES PROVIDED: DRIVE OUT FEATURE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE
TECHNICAL CHARACTERISTICS (FLIS)
SHANK DIAMETER0.6220 INCHES MINIMUM AND 0.6235 INCHES MAXIMUM IN
HARDNESS RATING51.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM SHANK
ACTUATION TYPEPULL AND PUSH
MATERIALSTEEL COMP E4340 OR STEEL COMP 4340 SHANK
STYLE DESIGNATORRING HANDLE
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SPINDLE
FEATURES PROVIDEDDRIVE OUT FEATURE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE
DETENT TO TAPERED END DISTANCE0.930 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4130 SPINDLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
50073Interchangeable
interchangeable cross-reference
interchangeable
268121Interchangeable
interchangeable cross-reference
interchangeable
51147Interchangeable
interchangeable cross-reference
interchangeable
PH8P-111Interchangeable
interchangeable cross-reference
interchangeable
45606Interchangeable
interchangeable cross-reference
interchangeable
35-18124ZInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S6172-70044-1?
S6172-70044-1 is a PIN,QUICK RELEASE.
What parts can replace S6172-70044-1?
There are 18 known substitutes for S6172-70044-1: 50073, 268121, 51147 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S6172-70044-1?
S6172-70044-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-023-5987. 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