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419551 — PARTS KIT,VALVE,OVERHAUL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

419551: PARTS KIT,VALVE,OVERHAUL.

The PARTS KIT,VALVE,OVERHAUL is a the manufacturer industrial component. Key specifications include end_item_identification: 1010-01-233-9493, general_characteristics_item_description: CONTAINS A WASHER,STUD,PISTON,HOUSING,COTTER PIN,SPRING AND PIN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-021-4124, 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
419551
NSN: 5305-00-021-4124
NIINs: 000214124, 004702351, 012804206
FSC: 5305 — Screws
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
end_item_identification1010-01-233-9493
general_characteristics_item_descriptionCONTAINS A WASHER,STUD,PISTON,HOUSING,COTTER PIN,SPRING AND PIN
NSN5305-00-021-4124
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 419551 · 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
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HEAD HEIGHT: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
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FASTENER LENGTH: 3.000 INCHES NOMINAL IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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THREAD LENGTH: 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
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MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
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NOMINAL THREAD DIAMETER: 0.375 INCHES IN
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HEAD STYLE: HEXAGON
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THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
FASTENER LENGTH3.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
5305000214124Reference document
Same NSN cross-reference
Reference document — Informative reference only
MS35308-370Reference 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 419551?
419551 is a PARTS KIT,VALVE,OVERHAUL.
What parts can replace 419551?
There are 2 known substitutes for 419551: 5305000214124, MS35308-370. Substitute compatibility should be verified for your specific system.
What is the NSN for 419551?
419551 is cataloged in the U.S. Government catalog under NSN 5305-00-021-4124. This indicates validated use in U.S. government and defense supply chains.
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