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MILS1222TYII .5 00-20UNRF-3AX2. — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MILS1222TYII .5 00-20UNRF-3AX2.: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, head_style: FLAT CHAMFER, head_height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_length: 1.500 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-400-2830, 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
MILS1222TYII .5 00-20UNRF-3AX2.
NSN: 5305-01-400-2830
FSC: 5305 — Screws
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
head_styleFLAT CHAMFER
head_height0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_length1.500 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
locking_featureSTRIP OR PELLET OR PATCH THREADS
thread_directionRIGHT-HAND
width_across_flats0.375 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.500 INCHES IN
NSN5305-01-400-2830
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MILS1222TYII .5 00-20UNRF-3AX2. · 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
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.500 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
NONDEFINITIVE SPEC/STD DATA: II TYPE
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
THREAD LENGTH1.500 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATAII TYPE
LOCKING FEATURESTRIP OR PELLET OR PATCH THREADS
INTERNAL DRIVE STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 3
MIL-S-1222 TYIIReference document
Same NSN cross-reference
Reference document — Identification reference
0.500-20UNRF3AX2.000L NICUReference document
Same NSN cross-reference
Reference document — Secondary reference
211064501Reference 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 MILS1222TYII .5 00-20UNRF-3AX2.?
MILS1222TYII .5 00-20UNRF-3AX2. is a SCREW,CAP,SOCKET HEAD.
What parts can replace MILS1222TYII .5 00-20UNRF-3AX2.?
There are 3 known substitutes for MILS1222TYII .5 00-20UNRF-3AX2.: MIL-S-1222 TYII, 0.500-20UNRF3AX2.000L NICU, 211064501. Substitute compatibility should be verified for your specific system.
What is the NSN for MILS1222TYII .5 00-20UNRF-3AX2.?
MILS1222TYII .5 00-20UNRF-3AX2. is cataloged in the U.S. Government catalog under NSN 5305-01-400-2830. 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.