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DIN931M8X20 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

DIN931M8X20: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 10.9 OVERALL, head_style: HEXAGON, head_height: 5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM, thread_length: 17.5 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM, fastener_length: 20.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-303-5631, 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
DIN931M8X20
NSN: 5305-01-303-5631
FSC: 5305 — Screws
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 10.9 OVERALL
head_styleHEXAGON
head_height5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM
thread_length17.5 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM
fastener_length20.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
surface_treatmentZINC AND CHROMATE OVERALL
width_between_flats12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM
end_item_identificationMRAP RG-31/ROUTE CLEARANCE VEHICLE
nominal_thread_diameter8.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters1.25
NSN5305-01-303-5631
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: DIN931M8X20 · 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
•
HEAD HEIGHT: 5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
FASTENER LENGTH: 20.0 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD PITCH IN MILLIMETERS: 1.25
•
THREAD LENGTH: 17.5 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM
•
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM
EXTERNAL THREAD TOLERANCE CLASS6G G
FASTENER LENGTH20.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD PITCH IN MILLIMETERS1.25
THREAD LENGTH17.5 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM
SUBSTITUTES & CROSS-REFERENCES 3
B18.2.3.1MReference document
Same NSN cross-reference
Reference document — Secondary reference
12485434-092Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
B18231B08020NReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DIN931M8X20?
DIN931M8X20 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace DIN931M8X20?
There are 3 known substitutes for DIN931M8X20: B18.2.3.1M, 12485434-092, B18231B08020N. Substitute compatibility should be verified for your specific system.
What is the NSN for DIN931M8X20?
DIN931M8X20 is cataloged in the U.S. Government catalog under NSN 5305-01-303-5631. This indicates validated use in U.S. government and defense supply chains.
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