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14-1221-6 — REPAIR KIT,TURBOCHA

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

14-1221-6: REPAIR KIT,TURBOCHA.

The REPAIR KIT,TURBOCHA is a the manufacturer industrial component. Key specifications include end_item_identification: ENGINE, DIESEL. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-445-4117, 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
14-1221-6
NSN: 5307-01-445-4117
NIINs: 014454117, 016171749
FSC: 5307 — Studs
CAGE: 27192 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
end_item_identificationENGINE, DIESEL
NSN5307-01-445-4117
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 14-1221-6 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING
•
THREAD LENGTH: 1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM NUT THREAD IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
THREAD LENGTH1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM STUD THREAD IN
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A581 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH6.860 INCHES MINIMUM AND 6.880 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.190 INCHES NUT THREAD IN
SUBSTITUTES & CROSS-REFERENCES 2
RO0217NRPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LL-HX3-5236Reference 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 14-1221-6?
14-1221-6 is a REPAIR KIT,TURBOCHA.
What parts can replace 14-1221-6?
There are 2 known substitutes for 14-1221-6: RO0217NRP, LL-HX3-5236. Substitute compatibility should be verified for your specific system.
What is the NSN for 14-1221-6?
14-1221-6 is cataloged in the U.S. Government catalog under NSN 5307-01-445-4117. 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.