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M1222RN5C246SBNN — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

M1222RN5C246SBNN: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 384 OVERALL, head_style: HEXAGON, head_height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.875 INCHES MINIMUM IN, fastener_length: 2.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-707-4652, 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
M1222RN5C246SBNN
NSN: 5305-01-707-4652
NIINs: 017074652, 017182703
FSC: 5305 — Screws
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 384 OVERALL
head_styleHEXAGON
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class2A A
thread_length0.875 INCHES MINIMUM IN
fastener_length2.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_diameter0.3125 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
specification/standard_data81349-MIL-DTL-1222J GOVERNMENT SPECIFICATION
NSN5305-01-707-4652
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M1222RN5C246SBNN · 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: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F593 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.3125 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
SPECIFICATION/STANDARD DATA: 81349-MIL-DTL-1222J GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
FASTENER LENGTH2.875 INCHES NOMINAL IN
THREAD LENGTH0.875 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F593 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.3125 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA81349-MIL-DTL-1222J GOVERNMENT SPECIFICATION
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUDS, BOLTS, SCREWS AND NUTS FOR APPLICATIONS WHERE A HIGH DEGREE OF RELIABILITY IS REQUIRED; GENERAL SPECIFICATION FOR
SUBSTITUTES & CROSS-REFERENCES 2
SW134-13Reference document
Same NSN cross-reference
Reference document — Secondary reference
L06726019529Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M1222RN5C246SBNN?
M1222RN5C246SBNN is a SCREW,CAP,HEXAGON HEAD.
What parts can replace M1222RN5C246SBNN?
There are 2 known substitutes for M1222RN5C246SBNN: SW134-13, L06726019529. Substitute compatibility should be verified for your specific system.
What is the NSN for M1222RN5C246SBNN?
M1222RN5C246SBNN is cataloged in the U.S. Government catalog under NSN 5305-01-707-4652. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.