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Technical Data Sheet
PartsTable / COMPONENT / M2742630131A
M2742630131A ✓ 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, ring_style: SPIRAL, usage_design: EXTERNAL AND INTERNAL, inside_diameter: 1.312 INCHES NOMINAL IN, outside_diameter: 1.374 INCHES MINIMUM AND 1.389 INCHES MAXIMUM IN, material_diameter: 0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM 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 5325-01-506-7453, 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
M2742630131A
NSN: 5325-01-506-7453
FSC: 5325
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL
usage_designEXTERNAL AND INTERNAL
inside_diameter1.312 INCHES NOMINAL IN
outside_diameter1.374 INCHES MINIMUM AND 1.389 INCHES MAXIMUM IN
material_diameter0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
specification/standard_data81349-MIL-DTL-27426 GOVERNMENT SPECIFICATION
NSN5325-01-506-7453
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M2742630131A · 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
•
USAGE DESIGN: EXTERNAL AND INTERNAL
•
INSIDE DIAMETER: 1.312 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-DTL-27426 GOVERNMENT SPECIFICATION
•
TEST DATA DOCUMENT: 81349-27426 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
MATERIAL: STEEL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPIRAL
•
MATERIAL DIAMETER: 0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNEXTERNAL AND INTERNAL
INSIDE DIAMETER1.312 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81349-MIL-DTL-27426 GOVERNMENT SPECIFICATION
TEST DATA DOCUMENT81349-27426 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MATERIALSTEEL
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPIRAL
MATERIAL DIAMETER0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.374 INCHES MINIMUM AND 1.389 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
M2742630260DInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-27426/3Interchangeable
interchangeable cross-reference
interchangeable
WH-1075Interchangeable
interchangeable cross-reference
interchangeable
69983S106Interchangeable
interchangeable cross-reference
interchangeable
RR-106SInterchangeable
interchangeable cross-reference
interchangeable
6748072-106Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M2742630131A?
M2742630131A is a RING,RETAINING.
What parts can replace M2742630131A?
There are 19 known substitutes for M2742630131A: M2742630260D, MIL-DTL-27426/3, WH-1075 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M2742630131A?
M2742630131A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-506-7453. 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