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Technical Data Sheet
PartsTable / COMPONENT / 154666
154666 ✓ 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 154666 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-809-1689, 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
154666
NSN: 5325-00-809-1689
FSC: 5325
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
Part Number154666
NSN5325-00-809-1689
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 154666 · 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: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED-STD-66 NO. 1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL
•
MATERIAL HARDNESS RATING: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
RING STYLE: INTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MAJOR THICKNESS: 0.042 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.961 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD-66 NO. 1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL
MATERIAL HARDNESS RATING66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
RING STYLEINTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
MAJOR THICKNESS0.042 INCHES NOMINAL IN
OUTSIDE DIAMETER0.961 INCHES NOMINAL IN
USAGE DESIGNINTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
14849Interchangeable
interchangeable cross-reference
interchangeable
5162584Interchangeable
interchangeable cross-reference
interchangeable
11157Interchangeable
interchangeable cross-reference
interchangeable
B2902Interchangeable
interchangeable cross-reference
interchangeable
X07108Interchangeable
interchangeable cross-reference
interchangeable
7725549Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 154666?
154666 is a 154666.
What parts can replace 154666?
There are 18 known substitutes for 154666: 14849, 5162584, 11157 and 15 more. Substitute compatibility should be verified for your specific system.
Is 154666 still available?
154666 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