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Technical Data Sheet
PartsTable / COMPONENT / ESR-3.CII
ESR-3.CII ✓ 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 ESR-3.CII is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-477-4686, 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
ESR-3.CII
NSN: 5325-00-477-4686
FSC: 5325
CAGE: 0S9E7 — E.A.S. MANUFACTURING CO., INC. DBA EAS MANUFACTURING CO DIV E. A. S. MFG. CO., INC. (USA)
SPECIFICATIONS
Part NumberESR-3.CII
NSN5325-00-477-4686
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ESR-3.CII · 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 COMP 302 OR STEEL COMP 316
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A313, COMP 302, COND B ASSN STD 1ST MATERIAL RESPONSE OR ASTM A313, COMP 316, COND B ASSN STD 2ND MATERIAL RESPONSE
•
SURFACE TREATMENT: PASSIVATE
•
RING STYLE: STRAIGHT GAP
•
MATERIAL DIAMETER: 0.021 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
•
END STYLE: 90 DEGREE PARALLEL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
USAGE DESIGN: EXTERNAL OR INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 302 OR STEEL COMP 316
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A313, COMP 302, COND B ASSN STD 1ST MATERIAL RESPONSE OR ASTM A313, COMP 316, COND B ASSN STD 2ND MATERIAL RESPONSE
SURFACE TREATMENTPASSIVATE
RING STYLESTRAIGHT GAP
MATERIAL DIAMETER0.021 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
END STYLE90 DEGREE PARALLEL
CASEHARDENING INDICATORNOT CASEHARDENED
USAGE DESIGNEXTERNAL OR INTERNAL
INSIDE DIAMETER0.162 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
SR3-I8Interchangeable
interchangeable cross-reference
interchangeable
424979-03Interchangeable
interchangeable cross-reference
interchangeable
3-8PInterchangeable
interchangeable cross-reference
interchangeable
592B006706Interchangeable
interchangeable cross-reference
interchangeable
A547-720Interchangeable
interchangeable cross-reference
interchangeable
006706Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ESR-3.CII?
ESR-3.CII is a ESR-3.CII.
What parts can replace ESR-3.CII?
There are 19 known substitutes for ESR-3.CII: SR3-I8, 424979-03, 3-8P and 16 more. Substitute compatibility should be verified for your specific system.
Is ESR-3.CII still available?
ESR-3.CII 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