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Technical Data Sheet

MIL-DTL-1222,TYI,GR400 — Technical Data Sheet

✓ 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 NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY AND COPPER ALLOY OVERALL, head_style: HEXAGON, thread_class: 2A A, fastener_length: 1.50 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: HYDRAULIC SYS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-01-041-2832, 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
MIL-DTL-1222,TYI,GR400
NSN: 5305-01-041-2832
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialNICKEL ALLOY AND COPPER ALLOY OVERALL
head_styleHEXAGON
thread_class2A A
fastener_length1.50 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identificationHYDRAULIC SYS
nominal_thread_diameter0.438 INCHES IN
thread_quantity_per_inch14
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-041-2832
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-DTL-1222,TYI,GR400 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD STYLE: HEXAGON
•
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
MATERIAL: NICKEL ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD LENGTH: 1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEHEXAGON
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
MATERIALNICKEL ALLOY OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD QUANTITY PER INCH13
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS 4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1/2-13UNC-2A X 3L1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYI GR400L1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1/2-13UNC-2A X 3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M1222RN8C228GHNNInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1/2-13UNC-2A X 1 3/4 IN.InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-1222InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-1222,TYI,GR400?
MIL-DTL-1222,TYI,GR400 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace MIL-DTL-1222,TYI,GR400?
There are 20 known substitutes for MIL-DTL-1222,TYI,GR400: 1/2-13UNC-2A X 3L1, MIL-DTL-1222 TYI GR400L1, 1/2-13UNC-2A X 3 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-1222,TYI,GR400?
MIL-DTL-1222,TYI,GR400 is cataloged in the Federal Logistics Information System under NSN 5305-01-041-2832. This indicates validated use in U.S. government and defense supply chains.
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