PartsTable
Technical Data Sheet
280977PC82 ✓ 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 COMP 632, ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, outside_diameter: 0.405 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN, surface_treatment: PASSIVATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-804-6855, 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
280977PC82
NSN: 5325-00-804-6855
FSC: 5325
CAGE: 99657 — MAROTTA CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 632
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
outside_diameter0.405 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-804-6855
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 280977PC82 · 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
RING STYLE: INTERNAL
SURFACE TREATMENT: PASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL: STEEL COMP 632
MATERIAL HARDNESS RATING: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGN: INTERNAL
MAJOR THICKNESS: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
RING STYLEINTERNAL
SURFACE TREATMENTPASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 632
MATERIAL HARDNESS RATING63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNINTERNAL
MAJOR THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.405 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
108-10504Interchangeable
interchangeable cross-reference
interchangeable
25704-281505-03-0Interchangeable
interchangeable cross-reference
interchangeable
520521Interchangeable
interchangeable cross-reference
interchangeable
3966Interchangeable
interchangeable cross-reference
interchangeable
SC-D-1736NInterchangeable
interchangeable cross-reference
interchangeable
MMI-8320Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 280977PC82?
280977PC82 is a RING,RETAINING.
What parts can replace 280977PC82?
There are 26 known substitutes for 280977PC82: 108-10504, 25704-281505-03-0, 520521 and 23 more. Substitute compatibility should be verified for your specific system.
Is 280977PC82 still available?
280977PC82 is currently cancelled.
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