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PartsTable / COMPONENT / 1-JH-2280 PIECE 10
1-JH-2280 PIECE 10 ✓ 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, usage_design: EXTERNAL, inside_diameter: 3.873 INCHES MINIMUM AND 3.877 INCHES MAXIMUM IN, major_thickness: 0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN, outside_diameter: 4.500 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-306-1463, 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
1-JH-2280 PIECE 10
NSN: 5325-00-306-1463
FSC: 5325
CAGE: 5N754 — WESTINGHOUSE ELECTRIC CORP APPARATUS SERVICE PLANT INDUSTRY SERVICES (USA)
SPECIFICATIONS
materialSTEEL
usage_designEXTERNAL
inside_diameter3.873 INCHES MINIMUM AND 3.877 INCHES MAXIMUM IN
major_thickness0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
outside_diameter4.500 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-306-1463
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1-JH-2280 PIECE 10 · 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
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
USAGE DESIGN: EXTERNAL
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER: 3.873 INCHES MINIMUM AND 3.877 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MAJOR THICKNESS: 0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER4.500 INCHES NOMINAL IN
USAGE DESIGNEXTERNAL
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
INSIDE DIAMETER3.873 INCHES MINIMUM AND 3.877 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
MAJOR THICKNESS0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
40051-32ITEM7Interchangeable
interchangeable cross-reference
interchangeable
40051-1PC95Interchangeable
interchangeable cross-reference
interchangeable
18889Interchangeable
interchangeable cross-reference
interchangeable
1713049Interchangeable
Same NIIN cross-reference
interchangeable
3169174Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-JH-2280 PIECE 10?
1-JH-2280 PIECE 10 is a RING,RETAINING.
What parts can replace 1-JH-2280 PIECE 10?
There are 5 known substitutes for 1-JH-2280 PIECE 10: 40051-32ITEM7, 40051-1PC95, 18889 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-JH-2280 PIECE 10?
1-JH-2280 PIECE 10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-306-1463. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026