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512185 — INSULATION SHEET,ELECTRICAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

512185: INSULATION SHEET,ELECTRICAL.

The INSULATION SHEET,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, nut_style: KNURLED, nut_diameter: 0.535 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.300 INCHES NOMINAL IN, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-797-1371, 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
512185
NSN: 5310-00-797-1371
NIINs: 007971371, 016109813
FSC: 5310 — Nuts and Washers
CAGE: 64547 — HONEYWELL INTERNATIONAL, INC DIV AEROSPACE-TUCSON (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_styleKNURLED
nut_diameter0.535 INCHES NOMINAL IN
thread_class3B
nut_thickness0.300 INCHES NOMINAL IN
thread_seriesUNF
thread_directionRIGHT-HAND
nominal_thread_size0.438 INCHES IN
thread_quantity_per_inch20
NSN5310-00-797-1371
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 512185 · 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 SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
NUT DIAMETER: 0.535 INCHES NOMINAL IN
•
NUT THICKNESS: 0.300 INCHES NOMINAL IN
•
NUT STYLE: KNURLED
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.438 INCHES IN
NUT DIAMETER0.535 INCHES NOMINAL IN
NUT THICKNESS0.300 INCHES NOMINAL IN
NUT STYLEKNURLED
THREAD CLASS3B
THREAD QUANTITY PER INCH20
MATERIALALUMINUM ALLOY 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 512185?
512185 is a INSULATION SHEET,ELECTRICAL.
What is the NSN for 512185?
512185 is cataloged in the U.S. Government catalog under NSN 5310-00-797-1371. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.