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MIL-DTL-1222 TYII L1 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MIL-DTL-1222 TYII L1: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 3A A, fastener_length: 1.000 INCHES MAXIMUM IN, special_features: SCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME), end_item_identification: MECH DETENT, nominal_thread_diameter: 0.312 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-299-6598, 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 TYII L1
NSN: 5305-01-299-6598
NIINs: 012996598, 013461579, 013481724, 013937488, 013937498, 013937708, 013989865, 014233144, 014286053, 014333816
FSC: 5305 — Screws
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class3A A
fastener_length1.000 INCHES MAXIMUM IN
special_featuresSCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME)
end_item_identificationMECH DETENT
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNRC
criticality_code_justificationZZZX
departure_from_cited_designatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
material_document_and_classificationQQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5305-01-299-6598
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-DTL-1222 TYII L1 · 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
•
FASTENER LENGTH: 4.000 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: ZZZX
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 10
TECHNICAL CHARACTERISTICS
FASTENER LENGTH4.000 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONZZZX
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
SPECIAL FEATURESSCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME)
THREAD CLASS2A A
THREAD QUANTITY PER INCH10
MATERIALNICKEL ALLOY OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SUBSTITUTES & CROSS-REFERENCES 7
803-4385050 PIECE 67L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-DTL-1222 TY IIReference document
Same NSN cross-reference
Reference document — Identification reference
0.750-10UNC-2A X 4.000Reference document
Same NSN cross-reference
Reference document — Identification reference
MIL-DTL-1222 TYII GR500SLFLKGReference document
Same NSN cross-reference
Reference document — Identification reference
0.750-10UNC-2A X 4.000L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-DTL-1222 TYII GR500SLFLKGL1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-1222 TYII L1?
MIL-DTL-1222 TYII L1 is a SCREW,CAP,SOCKET HEAD.
What parts can replace MIL-DTL-1222 TYII L1?
There are 7 known substitutes for MIL-DTL-1222 TYII L1: 803-4385050 PIECE 67L1, MIL-DTL-1222 TY II, 0.750-10UNC-2A X 4.000 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-1222 TYII L1?
MIL-DTL-1222 TYII L1 is cataloged in the U.S. Government catalog under NSN 5305-01-299-6598. This indicates validated use in U.S. government and defense supply chains.
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