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Technical Data Sheet
PartsTable / COMPONENT / 1218M13
1218M13 ✓ 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, usage_design: EXTERNAL, inside_diameter: 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN, outside_diameter: 1.242 INCHES MINIMUM AND 1.262 INCHES MAXIMUM IN, material_diameter: 0.095 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-281-3629, 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
1218M13
NSN: 5325-00-281-3629
FSC: 5325
CAGE: 27996 — HEIL ENVIRONMENTAL INDUSTRIES (USA)
SPECIFICATIONS
materialSTEEL
usage_designEXTERNAL
inside_diameter1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
outside_diameter1.242 INCHES MINIMUM AND 1.262 INCHES MAXIMUM IN
material_diameter0.095 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
NSN5325-00-281-3629
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1218M13 · 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
•
MATERIAL: STEEL
•
OUTSIDE DIAMETER: 1.242 INCHES MINIMUM AND 1.262 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
•
MATERIAL DIAMETER: 0.095 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
USAGE DESIGN: EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
OUTSIDE DIAMETER1.242 INCHES MINIMUM AND 1.262 INCHES MAXIMUM IN
INSIDE DIAMETER1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
MATERIAL DIAMETER0.095 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
CASEHARDENING INDICATORNOT CASEHARDENED
USAGE DESIGNEXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
914463Interchangeable
interchangeable cross-reference
interchangeable
10383907Interchangeable
interchangeable cross-reference
interchangeable
100232Interchangeable
interchangeable cross-reference
interchangeable
142767Interchangeable
interchangeable cross-reference
interchangeable
930228Interchangeable
interchangeable cross-reference
interchangeable
43706Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1218M13?
1218M13 is a RING,RETAINING.
What parts can replace 1218M13?
There are 17 known substitutes for 1218M13: 914463, 10383907, 100232 and 14 more. Substitute compatibility should be verified for your specific system.
Is 1218M13 still available?
1218M13 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026