PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 103B108-1
103B108-1 ✓ 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 420, ring_style: INTERNAL BOWED, usage_design: INTERNAL, end_play_takeup: 0.028 INCHES MAXIMUM IN, major_thickness: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN, outside_diameter: 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-764-3793, 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
103B108-1
NSN: 5325-00-764-3793
FSC: 5325
CAGE: 21178 — TEXTRON INC (USA)
SPECIFICATIONS
materialSTEEL COMP 420
ring_styleINTERNAL BOWED
usage_designINTERNAL
end_play_takeup0.028 INCHES MAXIMUM IN
major_thickness0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
outside_diameter0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5506,TYPE SAE 51420 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-764-3793
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 103B108-1 · 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
•
END PLAY TAKEUP: 0.028 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 420
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5506,TYPE SAE 51420 ASSN STD SINGLE MATERIAL RESPONSE
•
MAJOR THICKNESS: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
•
USAGE DESIGN: INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
END PLAY TAKEUP0.028 INCHES MAXIMUM IN
MATERIALSTEEL COMP 420
SURFACE TREATMENTPASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5506,TYPE SAE 51420 ASSN STD SINGLE MATERIAL RESPONSE
MAJOR THICKNESS0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
RING STYLEINTERNAL BOWED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
10404575Interchangeable
interchangeable cross-reference
interchangeable
600 3-4ST12Interchangeable
interchangeable cross-reference
interchangeable
E333-60 PIECE 9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 103B108-1?
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 103B108-1?
103B108-1 is a RING,RETAINING.
What parts can replace 103B108-1?
There are 3 known substitutes for 103B108-1: 10404575, 600 3-4ST12, E333-60 PIECE 9. Substitute compatibility should be verified for your specific system.
Is 103B108-1 still available?
103B108-1 is currently cancelled.
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 — 103B108-1

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