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Technical Data Sheet
PartsTable / COMPONENT / A8898642-6
A8898642-6 ✓ 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 ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN, outside_diameter: 1.101 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN, surface_treatment: CADMIUM, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-807-2636, 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
A8898642-6
NSN: 5325-00-807-2636
FSC: 5325
CAGE: 49671 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN (USA)
SPECIFICATIONS
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
outside_diameter1.101 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationFED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
NSN5325-00-807-2636
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A8898642-6 · 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 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
•
RING STYLE: INTERNAL
•
OUTSIDE DIAMETER: 1.101 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
•
MATERIAL HARDNESS RATING: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: INTERNAL
•
MAJOR THICKNESS: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
SURFACE TREATMENTCADMIUM
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
RING STYLEINTERNAL
OUTSIDE DIAMETER1.101 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
MATERIAL HARDNESS RATING66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNINTERNAL
MAJOR THICKNESS0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
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LR2412AInterchangeable
interchangeable cross-reference
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189659Interchangeable
interchangeable cross-reference
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LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A8898642-6?
A8898642-6 is a RING,RETAINING.
What parts can replace A8898642-6?
There are 24 known substitutes for A8898642-6: 1181-2, 2V906, 59039 and 21 more. Substitute compatibility should be verified for your specific system.
Is A8898642-6 still available?
A8898642-6 is currently cancelled.
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Last verified: July 2026