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581525 — VALVE,CHECK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

581525: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, special_features: 1/4 SWAGELOK/TEMPERATURE RANGE TO 400DEGREES F.PRESSURE TO 6000 PSI, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-706-3767, 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
581525
NSN: 5315-00-706-3767
NIINs: 007063767, 014788817, 014956061
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
special_features1/4 SWAGELOK/TEMPERATURE RANGE TO 400DEGREES F.PRESSURE TO 6000 PSI
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.500 INCHES ALL ENDS IN
minimum_operating_temp-10.0 FAHRENHEIT DEGF
NSN5315-00-706-3767
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 581525 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CHAMFER LENGTH: 0.040 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 2.000 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.390 INCHES NOMINAL IN
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.2520 INCHES MINIMUM AND 0.2526 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.040 INCHES NOMINAL IN
UNDER HEAD LENGTH2.000 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.390 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.2520 INCHES MINIMUM AND 0.2526 INCHES MAXIMUM IN
HEAD STYLEFLAT
HEIGHT0.040 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 581525?
581525 is a VALVE,CHECK.
What is the NSN for 581525?
581525 is cataloged in the U.S. Government catalog under NSN 5315-00-706-3767. This indicates validated use in U.S. government and defense supply chains.
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