PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 738-990004-109
738-990004-109 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-929-6395, 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
738-990004-109
NSN: 5310-00-929-6395
FSC: 5310
CAGE: 38753 — CMC ELECTRONICS INC (CAN)
SPECIFICATIONS
Part Number738-990004-109
NSN5310-00-929-6395
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 738-990004-109 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
13-0665Interchangeable
interchangeable cross-reference
interchangeable
G20-7213Interchangeable
interchangeable cross-reference
interchangeable
B107.56Interchangeable
interchangeable cross-reference
interchangeable
355-221-0007Interchangeable
interchangeable cross-reference
interchangeable
431754Interchangeable
interchangeable cross-reference
interchangeable
24-00044-007Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 738-990004-109?
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 738-990004-109?
738-990004-109 is a WASHER,LOCK.
What parts can replace 738-990004-109?
There are 31 known substitutes for 738-990004-109: 13-0665, G20-7213, B107.56 and 28 more. Substitute compatibility should be verified for your specific system.
Is 738-990004-109 still available?
738-990004-109 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 — 738-990004-109

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