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MS17990-623 — PIN,QUICK RELEASE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS17990-623: PIN,QUICK RELEASE.

The PIN,QUICK RELEASE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C DETENT, grip_length: 2.300 INCHES NOMINAL IN, head_diameter: 0.510 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, actuation_type: PULL AND PUSH, shank_diameter: 0.375 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C MINIMUM SHANK. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-849-6892, 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
MS17990-623
NSN: 5315-00-849-6892
NIINs: 008496892, 011005513
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 440C DETENT
grip_length2.300 INCHES NOMINAL IN
head_diameter0.510 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
actuation_typePULL AND PUSH
shank_diameter0.375 INCHES NOMINAL IN
detent_quantity2
hardness_rating40.0 ROCKWELL C MINIMUM SHANK
actuation_methodPUSH BUTTON
style_designatorRING HANDLE
surface_treatmentPASSIVATE SPRING
ring_handle_diameter1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
shoulder_to_head_end_distance1.000 INCHES MINIMUM IN
NSN5315-00-849-6892
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS17990-623 · 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: 0.3720 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM IN
•
ACTUATION METHOD: PUSH BUTTON
•
DETENT TO TAPERED END DISTANCE: 0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
DETENT QUANTITY: 2
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE
•
ACTUATION TYPE: PULL AND PUSH
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SHANK
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.3720 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM IN
ACTUATION METHODPUSH BUTTON
DETENT TO TAPERED END DISTANCE0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
DETENT QUANTITY2
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE SHANK
ACTUATION TYPEPULL AND PUSH
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
PIN ATTACHMENT TYPEHOOK
SUBSTITUTES & CROSS-REFERENCES 4
LH6S-R-23MReference document
Same NSN cross-reference
Reference document — Secondary reference
BLS6R23NReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LH6SR2300Reference document
Same NSN cross-reference
Reference document — Secondary reference
DLS6R23NSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS17990-623?
MS17990-623 is a PIN,QUICK RELEASE.
What parts can replace MS17990-623?
There are 4 known substitutes for MS17990-623: LH6S-R-23M, BLS6R23N, LH6SR2300 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS17990-623?
MS17990-623 is cataloged in the U.S. Government catalog under NSN 5315-00-849-6892. This indicates validated use in U.S. government and defense supply chains.
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