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Technical Data Sheet
PartsTable / COMPONENT / SKN7550-8
SKN7550-8 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, ring_style: SPECIAL, usage_design: EXTERNAL, inside_diameter: 0.380 INCHES NOMINAL IN, major_thickness: 0.048 INCHES NOMINAL IN, outside_diameter: 0.930 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-198-7636, 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
SKN7550-8
NSN: 5325-00-198-7636
FSC: 5325
CAGE: 81337 — W1D1 NATICK SOLDIER CENTER DBA US ARMY CCDC SOLDIER CENTER DIV COMBAT CAPABILITIES DEVELOPMENT COMMAND - SOLDIER CENTER (USA)
SPECIFICATIONS
materialSTEEL COMP 316
ring_styleSPECIAL
usage_designEXTERNAL
inside_diameter0.380 INCHES NOMINAL IN
major_thickness0.048 INCHES NOMINAL IN
outside_diameter0.930 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUNDED CORNERS
material_document_and_classificationAISI 316 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-198-7636
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SKN7550-8 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: STEEL COMP 316
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 316 ASSN STD SINGLE MATERIAL RESPONSE
•
MAJOR THICKNESS: 0.048 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.380 INCHES NOMINAL IN
•
RING STYLE: SPECIAL
•
OUTSIDE DIAMETER: 0.930 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL COMP 316
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 316 ASSN STD SINGLE MATERIAL RESPONSE
MAJOR THICKNESS0.048 INCHES NOMINAL IN
INSIDE DIAMETER0.380 INCHES NOMINAL IN
RING STYLESPECIAL
OUTSIDE DIAMETER0.930 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
USAGE DESIGNEXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
15333Interchangeable
interchangeable cross-reference
interchangeable
87694Interchangeable
interchangeable cross-reference
interchangeable
550171-3Interchangeable
interchangeable cross-reference
interchangeable
384076R91Interchangeable
interchangeable cross-reference
interchangeable
4371-4Interchangeable
interchangeable cross-reference
interchangeable
CL1121Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SKN7550-8?
SKN7550-8 is a RING,RETAINING.
What parts can replace SKN7550-8?
There are 14 known substitutes for SKN7550-8: 15333, 87694, 550171-3 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SKN7550-8?
SKN7550-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-198-7636. 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