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ANN5 ✓ 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 NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: PLATE, nut_height: 0.281 INCHES NOMINAL IN, nut_length: 0.716 INCHES NOMINAL IN, temp_rating: 800.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-188-7935, 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
ANN5
NSN: 5310-00-188-7935
FSC: 5310
CAGE: 81352 — AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_stylePLATE
nut_height0.281 INCHES NOMINAL IN
nut_length0.716 INCHES NOMINAL IN
temp_rating800.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.047 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL NUT
precious_materialSILVER
NSN5310-00-188-7935
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ANN5 · 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
•
MATERIAL: STEEL NUT
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
SURFACE TREATMENT: ANODIZE CHANNEL
•
CHANNEL STYLE: STRAIGHT TYPE
•
ASSEMBLY OVERALL HEIGHT: 0.469 INCHES NOMINAL IN
•
NUT QUANTITY: 72
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL NUT
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
SURFACE TREATMENTANODIZE CHANNEL
MATERIALFIBER LOCKING INSERT
MATERIALALUMINUM ALLOY CHANNEL
CHANNEL STYLESTRAIGHT TYPE
ASSEMBLY OVERALL HEIGHT0.469 INCHES NOMINAL IN
NUT QUANTITY72
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIESUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
22G5-048-8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ANN5?
ANN5 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace ANN5?
There is 1 known substitute for ANN5: 22G5-048-8. Substitute compatibility should be verified for your specific system.
What is the NSN for ANN5?
ANN5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-188-7935. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026