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Technical Data Sheet
PartsTable / COMPONENT / 121503-2
121503-2 ✓ 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 BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include end_item_identification: MV-22 AIRCRAFT (V-22 LRIP 1 E-NSN ISIL), criticality_code_justification: AGAV. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-520-8783, 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
121503-2
NSN: 5306-01-520-8783
FSC: 5306
CAGE: 60119 — MONADNOCK COMPANY, THE DBA LISI AEROSPACE (USA)
SPECIFICATIONS
end_item_identificationMV-22 AIRCRAFT (V-22 LRIP 1 E-NSN ISIL)
criticality_code_justificationAGAV
NSN5306-01-520-8783
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 121503-2 · 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
•
CRITICALITY CODE JUSTIFICATION: AGAV
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONAGAV
END ITEM IDENTIFICATIONMV-22 AIRCRAFT (V-22 LRIP 1 E-NSN ISIL)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
505843PUpgraded Successor
successor cross-reference
successor
RSP505843PUpgraded Successor
successor cross-reference
successor
3000-51CBInterchangeable
interchangeable cross-reference
interchangeable
501239Interchangeable
interchangeable cross-reference
interchangeable
N5000-51MFInterchangeable
interchangeable cross-reference
interchangeable
501212Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121503-2?
121503-2 is a BOLT,INTERNAL WRENCHING.
What parts can replace 121503-2?
There are 7 known substitutes for 121503-2: 505843P, RSP505843P, 3000-51CB and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121503-2?
121503-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-520-8783. 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