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PartsTable / COMPONENT / GR531AG420
GR531AG420 ✓ 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 FASTENER,PANEL is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES,PASSIVATED FINISH,1.250 IN. LG,0.175 IN.

DIA,HEX HEAD,0.084 IN. TO 0.099 IN. THK PANEL ACCOMMODATED IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-365-0151, 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
GR531AG420
NSN: 5325-00-365-0151
FSC: 5325
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES,PASSIVATED FINISH,1.250 IN. LG,0.175 IN. DIA,HEX HEAD,0.084 IN. TO 0.099 IN. THK PANEL ACCOMMODATED IN
NSN5325-00-365-0151
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GR531AG420 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES,PASSIVATED FINISH,1.250 IN. LG,0.175 IN. DIA,HEX HEAD,0.084 IN. TO 0.099 IN. THK PANEL ACCOMMODATED IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES,PASSIVATED FINISH,1.250 IN. LG,0.175 IN. DIA,HEX HEAD,0.084 IN. TO 0.099 IN. THK PANEL ACCOMMODATED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
6319Interchangeable
interchangeable cross-reference
interchangeable
543414Interchangeable
interchangeable cross-reference
interchangeable
395Interchangeable
interchangeable cross-reference
interchangeable
543401Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
QD604AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GR531AG420?
GR531AG420 is a FASTENER,PANEL.
What parts can replace GR531AG420?
There are 13 known substitutes for GR531AG420: 6319, 543414, 395 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GR531AG420?
GR531AG420 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-365-0151. 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