PartsTable
Technical Data Sheet
PartsTable / COMPONENT / K1901-3
K1901-3 ✓ 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,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLATE, nut_height: 0.220 INCHES MAXIMUM IN, nut_length: 0.948 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.328 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-616-2934, 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
K1901-3
NSN: 5310-00-616-2934
FSC: 5310
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLATE
nut_height0.220 INCHES MAXIMUM IN
nut_length0.948 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
plate_width0.328 INCHES MAXIMUM IN
temp_rating500.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.032 INCHES NOMINAL IN
special_featuresBEVEL SEAT
NSN5310-00-616-2934
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: K1901-3 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PLATE THICKNESS: 0.032 INCHES NOMINAL IN
•
THREAD CLASS: 3B
•
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SPECIAL FEATURESBEVEL SEAT
NOMINAL THREAD SIZE0.190 INCHES IN
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
SURFACE TREATMENTCADMIUM OVERALL
PLATE THICKNESS0.032 INCHES NOMINAL IN
THREAD CLASS3B
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2643-820-12 ITEM 53Interchangeable
interchangeable cross-reference
interchangeable
211070737Interchangeable
interchangeable cross-reference
interchangeable
M25027/1-14CInterchangeable
interchangeable cross-reference
interchangeable
218017951Interchangeable
interchangeable cross-reference
interchangeable
M25027/1-16CInterchangeable
interchangeable cross-reference
interchangeable
70677321-0136Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy K1901-3?
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 K1901-3?
K1901-3 is a NUT,SELF-LOCKING,PLATE.
What parts can replace K1901-3?
There are 13 known substitutes for K1901-3: 2643-820-12 ITEM 53, 211070737, M25027/1-14C and 10 more. Substitute compatibility should be verified for your specific system.
Is K1901-3 still available?
K1901-3 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 — K1901-3

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026