PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 103990
103990 ✓ 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

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include overall_width: 50.250 INCHES NOMINAL IN, overall_length: 15.250 INCHES NOMINAL IN, special_features: MATERIAL: FIBER GLASS AND WOOD // TM 10-5411-231-13&P, end_item_identification: 5411-01-467-3243. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3390, 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
103990
NSN: 5315-00-010-3390
FSC: 5315
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
overall_width50.250 INCHES NOMINAL IN
overall_length15.250 INCHES NOMINAL IN
special_featuresMATERIAL: FIBER GLASS AND WOOD // TM 10-5411-231-13&P
end_item_identification5411-01-467-3243
NSN5315-00-010-3390
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 103990 · 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
•
UNDERLOOP LENGTH: 2.250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
DIAMETER: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
UNDERLOOP LENGTH2.250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
DIAMETER0.125 INCHES NOMINAL IN
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
85442-01Interchangeable
interchangeable cross-reference
interchangeable
85442Interchangeable
interchangeable cross-reference
interchangeable
DM54150D883BInterchangeable
interchangeable cross-reference
interchangeable
DEC74150Interchangeable
interchangeable cross-reference
interchangeable
SN74150N-10Interchangeable
interchangeable cross-reference
interchangeable
32371-5001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 103990?
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 103990?
103990 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What parts can replace 103990?
There are 20 known substitutes for 103990: 85442-01, 85442, DM54150D883B and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 103990?
103990 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3390. This indicates validated use in U.S. government and defense supply chains.
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 — 103990

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