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MIL-DTL-27426/3 — Technical Data Sheet

✓ 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 usage_design: INTERNAL, inside_diameter: 2.937 INCHES NOMINAL IN, major_thickness: 0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN, outside_diameter: 3.058 INCHES NOMINAL IN, cross-sectional_shape_style: DOUBLE OVAL, specification/standard_data: 81349-MIL-DTL-27426/3 GOVERNMENT SPECIFICATION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-045-1884, 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
MIL-DTL-27426/3
NSN: 5325-00-045-1884
FSC: 5325
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
usage_designINTERNAL
inside_diameter2.937 INCHES NOMINAL IN
major_thickness0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
outside_diameter3.058 INCHES NOMINAL IN
cross-sectional_shape_styleDOUBLE OVAL
specification/standard_data81349-MIL-DTL-27426/3 GOVERNMENT SPECIFICATION
NSN5325-00-045-1884
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-DTL-27426/3 · 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
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 11.095 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1070 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL
•
RING STYLE: SPIRAL
•
USAGE DESIGN: INTERNAL
•
MAJOR THICKNESS: 0.086 INCHES NOMINAL IN
•
INSIDE DIAMETER: 11.845 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER11.095 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1070 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL
RING STYLESPIRAL
USAGE DESIGNINTERNAL
MAJOR THICKNESS0.086 INCHES NOMINAL IN
INSIDE DIAMETER11.845 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
69983S106Interchangeable
interchangeable cross-reference
interchangeable
RR-106SInterchangeable
interchangeable cross-reference
interchangeable
6748072-106Interchangeable
interchangeable cross-reference
interchangeable
RR-775-SInterchangeable
interchangeable cross-reference
interchangeable
1D2529IT.3Interchangeable
interchangeable cross-reference
interchangeable
M27426302042DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-27426/3?
MIL-DTL-27426/3 is a RING,RETAINING.
What parts can replace MIL-DTL-27426/3?
There are 20 known substitutes for MIL-DTL-27426/3: 69983S106, RR-106S, 6748072-106 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-27426/3?
MIL-DTL-27426/3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-045-1884. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026