PartsTable
Technical Data Sheet
751-6402202-29 ✓ 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: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 NUT, nut_style: HEXAGON, nut_height: 0.965 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-245-3505, 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
751-6402202-29
NSN: 5310-00-245-3505
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OR NICKEL ALLOY R-405 NUT
nut_styleHEXAGON
nut_height0.965 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
countersink_angle88.0 DEGREES NOMINAL NUT
width_across_flats1.239 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN
nominal_thread_size0.875 INCHES IN
bearing_surface_typeCHAMFERED
NSN5310-00-245-3505
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 751-6402202-29 · 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: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 NUT
NUT STYLE: HEXAGON
NOMINAL THREAD SIZE: 0.875 INCHES IN
WIDTH ACROSS FLATS: 1.239 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN
NUT HEIGHT: 0.965 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
COUNTERSINK ANGLE: 88.0 DEGREES NOMINAL NUT
THREAD QUANTITY PER INCH: 9
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY 400 OR NICKEL ALLOY R-405 NUT
NUT STYLEHEXAGON
NOMINAL THREAD SIZE0.875 INCHES IN
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT
WIDTH ACROSS FLATS1.239 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN
NUT HEIGHT0.965 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
COUNTERSINK ANGLE88.0 DEGREES NOMINAL NUT
THREAD QUANTITY PER INCH9
THREAD CLASS3B
BEARING SURFACE FINISH125.0 MICROINCHES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
ESNA 09NU-149Interchangeable
interchangeable cross-reference
interchangeable
PL-999R0501 FIND 76L1Interchangeable
interchangeable cross-reference
interchangeable
PL-999R0501-D FIND 76Interchangeable
interchangeable cross-reference
interchangeable
2644-747-01-ITEM NO-18Interchangeable
interchangeable cross-reference
interchangeable
DF330705-25Interchangeable
interchangeable cross-reference
interchangeable
845-8616948-ITEM NO-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy 751-6402202-29?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 751-6402202-29?
751-6402202-29 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 751-6402202-29?
There are 15 known substitutes for 751-6402202-29: ESNA 09NU-149, PL-999R0501 FIND 76L1, PL-999R0501-D FIND 76 and 12 more. Substitute compatibility should be verified for your specific system.
Is 751-6402202-29 still available?
751-6402202-29 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 751-6402202-29