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NGN512NN — Technical Data Sheet

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— · 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,CLIP-ON is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: FLOATING, lubrication: DRY FILM LUBRICANT, thread_class: 3B, overall_width: 0.447 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-01-351-5342, 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
NGN512NN
NSN: 5310-01-351-5342
FSC: 5310
CAGE: 1SFN4 — NORTHROP GRUMMAN SYSTEMS CORP INTEGRATED SYSTEMS SECTOR (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleFLOATING
lubricationDRY FILM LUBRICANT
thread_class3B
overall_width0.447 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
panel_thickness0.220 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE CLIP
nominal_thread_size0.190 INCHES IN
end_item_identificationSPECIAL, AIR VEHICLE, AIRCRAFT
thread_quantity_per_inch32
NSN5310-01-351-5342
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NGN512NN · 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
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
•
NUT STYLE: ANCHORANCHOR
•
DISTANCE FROM BASE TO CENTER OF APERTURE: 0.281 INCHES MAXIMUM0.281 INCHES MAXIMUM IN
•
THREAD CLASS: 3B3B
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: IRON ALLOY 660 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
NUT STYLEANCHORANCHOR
DISTANCE FROM BASE TO CENTER OF APERTURE0.281 INCHES MAXIMUM0.281 INCHES MAXIMUM IN
THREAD CLASS3B3B
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALIRON ALLOY 660 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NOMINAL THREAD SIZE0.190 INCHES0.190 INCHES IN
THREAD QUANTITY PER INCH3232
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
ERM4330InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
250737InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2507-3-5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
13100009-5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NGN512NN-3-5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NS203674-3-6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NGN512NN?
NGN512NN is a NUT,CLIP-ON.
What parts can replace NGN512NN?
There are 12 known substitutes for NGN512NN: ERM4330, 250737, 2507-3-5 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NGN512NN?
NGN512NN is cataloged in the Federal Logistics Information System under NSN 5310-01-351-5342. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: October 2026