PartsTable
Technical Data Sheet
664140 ✓ 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: INTERNAL, usage_design: INTERNAL, major_thickness: 0.050 INCHES NOMINAL IN, outside_diameter: 1.249 INCHES NOMINAL IN, surface_treatment: CADMIUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-804-7301, 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
664140
NSN: 5325-00-804-7301
FSC: 5325
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.050 INCHES NOMINAL IN
outside_diameter1.249 INCHES NOMINAL IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationFED STD NO. 66,AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-804-7301
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 664140 · 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 NO. 66,AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL: STEEL
SURFACE TREATMENT: CADMIUM
MATERIAL HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATOR: NOT CASEHARDENED
RING STYLE: INTERNAL
USAGE DESIGN: INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD NO. 66,AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL
SURFACE TREATMENTCADMIUM
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEINTERNAL
USAGE DESIGNINTERNAL
OUTSIDE DIAMETER1.249 INCHES NOMINAL IN
MAJOR THICKNESS0.050 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
646889Interchangeable
interchangeable cross-reference
interchangeable
458105Interchangeable
interchangeable cross-reference
interchangeable
1993557-2Interchangeable
interchangeable cross-reference
interchangeable
1358-2Interchangeable
interchangeable cross-reference
interchangeable
41862Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-180 TY2CL1GRBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 664140?
664140 is a RING,RETAINING.
What parts can replace 664140?
There are 21 known substitutes for 664140: 646889, 458105, 1993557-2 and 18 more. Substitute compatibility should be verified for your specific system.
Is 664140 still available?
664140 is currently cancelled.
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