PartsTable
Technical Data Sheet
A1562-1 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC FLOW CONTROL DEVICE, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, style_designator: STRAIGHT THRU. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-608-1053, 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
A1562-1
NSN: 5310-00-608-1053
FSC: 5310
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC FLOW CONTROL DEVICE
seat_angle37.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL
operating_pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
nominal_thread_size0.562 INCHES ALL ENDS IN
NSN5310-00-608-1053
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A1562-1 · 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
NUT STYLE: CAP
THREAD QUANTITY PER INCH: 16
BEARING SURFACE TYPE: WASHER FACED
WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
THREAD CLASS: 2B
COUNTERBORE DIAMETER: 0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM NUT IN
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLECAP
THREAD QUANTITY PER INCH16
BEARING SURFACE TYPEWASHER FACED
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS2B
COUNTERBORE DIAMETER0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM NUT IN
MATERIALSTEEL OVERALL
NUT COUNTERBORE DEPTH0.083 INCHES MINIMUM AND 0.094 INCHES MAXIMUM NUT IN
NUT HEIGHT0.751 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1562-1Interchangeable
interchangeable cross-reference
interchangeable
A1562-1Interchangeable
interchangeable cross-reference
interchangeable
10947924Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1562-1?
A1562-1 is a VALVE,CHECK.
What parts can replace A1562-1?
There are 3 known substitutes for A1562-1: 1562-1, A1562-1, 10947924. Substitute compatibility should be verified for your specific system.
What is the NSN for A1562-1?
A1562-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-608-1053. This indicates validated use in U.S. government and defense supply chains.
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