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286247 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

286247: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 601 OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, hole_diameter: 0.062 INCHES NOMINAL IN, thread_length: 0.357 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-551-1784, 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
286247
NSN: 5306-00-551-1784
NIINs: 005511784, 011731168
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 601 OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity6
thread_length0.357 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
fastener_length0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
special_featuresCRITICAL FEATURES,TOLERANCES,FIT RESTRICTIONS,MATERIAL PROPERTIES AND MANUFACTURING PROCESS
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
NSN5306-00-551-1784
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 286247 · 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
•
HEAD HEIGHT: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.357 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
HOLE CONFIGURATION STYLE: HEXAGON LONGITUDINAL HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FASTENER LENGTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.357 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
CRITICALITY CODE JUSTIFICATIONFEAT
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
SUBSTITUTES & CROSS-REFERENCES 1
404678Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 286247?
286247 is a VALVE,SAFETY RELIEF.
What parts can replace 286247?
There is 1 known substitute for 286247: 404678. Substitute compatibility should be verified for your specific system.
What is the NSN for 286247?
286247 is cataloged in the U.S. Government catalog under NSN 5306-00-551-1784. This indicates validated use in U.S. government and defense supply chains.
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