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Technical Data Sheet
PartsTable / COMPONENT / 7539419
7539419 ✓ 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, end_style: VERTEX OUTSIDE PERIPHERY, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 0.891 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN, major_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-753-9419, 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
7539419
NSN: 5325-00-753-9419
FSC: 5325
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX OUTSIDE PERIPHERY
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter0.891 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
major_thickness0.125 INCHES NOMINAL IN
outside_diameter1.141 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-753-9419
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7539419 · 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 HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL: STEEL
•
RING STYLE: STRAIGHT GAP
•
INSIDE DIAMETER: 0.891 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.125 INCHES NOMINAL IN
•
USAGE DESIGN: EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
SURFACE TREATMENTCADMIUM
MATERIALSTEEL
RING STYLESTRAIGHT GAP
INSIDE DIAMETER0.891 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.125 INCHES NOMINAL IN
USAGE DESIGNEXTERNAL
END STYLEVERTEX OUTSIDE PERIPHERY
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
110722Interchangeable
interchangeable cross-reference
interchangeable
3268298-18Interchangeable
interchangeable cross-reference
interchangeable
PM2497-2Interchangeable
interchangeable cross-reference
interchangeable
86127Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7539419?
7539419 is a RING,RETAINING.
What parts can replace 7539419?
There are 4 known substitutes for 7539419: 110722, 3268298-18, PM2497-2 and 1 more. Substitute compatibility should be verified for your specific system.
Is 7539419 still available?
7539419 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026