PartsTable
Technical Data Sheet
51-1835-1 ✓ 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 INSULATOR,PLATE is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN, thread_class: 2B, overall_width: 0.550 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.005 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-543-2628, 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
51-1835-1
NSN: 5310-00-543-2628
FSC: 5310
CAGE: 79466 — AESYS TECHNOLOGIES, L.L.C. DBA JACKSON & CHURCH HVAC GLOBAL DIV YORK SHIPLEY GLOBAL (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
thread_class2B
overall_width0.550 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.005 INCHES NOMINAL IN
overall_length1.100 INCHES NOMINAL IN
hardness_rating70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
special_features26 HOLES 0.046 IN. MIN AND 0.056 IN. MAX DIA IN
style_designatorFLAT, RECTANGULAR
thread_directionRIGHT-HAND
unable_to_decodeUNABLE TO DECODE
NSN5310-00-543-2628
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 51-1835-1 · 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
SPECIFICATION/STANDARD DATA: 81348-FF-N-836 GOVERNMENT SPECIFICATION AND 96906-MS35690/CANCELED/ GOVERNMENT STANDARD
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 4 STYLE AND 3/8-16IN. SIZE IN
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
NUT STYLE: HEXAGON
BEARING SURFACE TYPE: FLAT
THREAD QUANTITY PER INCH: 16
HARDNESS RATING: 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
NOMINAL THREAD SIZE: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81348-FF-N-836 GOVERNMENT SPECIFICATION AND 96906-MS35690/CANCELED/ GOVERNMENT STANDARD
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE AND 3/8-16IN. SIZE IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
NUT STYLEHEXAGON
BEARING SURFACE TYPEFLAT
THREAD QUANTITY PER INCH16
HARDNESS RATING70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5118351Interchangeable
interchangeable cross-reference
interchangeable
5121636Interchangeable
interchangeable cross-reference
interchangeable
51-1835Interchangeable
interchangeable cross-reference
interchangeable
FF-N-836Interchangeable
Same NIIN cross-reference
interchangeable
0740807Interchangeable
Same NIIN cross-reference
interchangeable
MS35690-602Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51-1835-1?
51-1835-1 is a INSULATOR,PLATE.
What parts can replace 51-1835-1?
There are 6 known substitutes for 51-1835-1: 5118351, 5121636, 51-1835 and 3 more. Substitute compatibility should be verified for your specific system.
Is 51-1835-1 still available?
51-1835-1 is currently cancelled.
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