PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5001/9
5001/9 ✓ 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 5001/9 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-177-7655, 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
5001/9
NSN: 5310-00-177-7655
FSC: 5310
CAGE: U3731 — OSHKOSH AEROTECH UK LIMITED (GBR)
SPECIFICATIONS
Part Number5001/9
NSN5310-00-177-7655
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5001/9 · 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
•
STYLE DESIGNATOR: KEY
•
FEATURES PROVIDED: CASEHARDENED
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.341 INCHES MINIMUM AND 0.351 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.687 INCHES MINIMUM AND 1.702 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.119 INCHES NOMINAL IN
•
INTERNAL KEY QUANTITY: 1
•
HOLE DIAMETER: 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORKEY
FEATURES PROVIDEDCASEHARDENED
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.341 INCHES MINIMUM AND 0.351 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.687 INCHES MINIMUM AND 1.702 INCHES MAXIMUM IN
MATERIAL THICKNESS0.119 INCHES NOMINAL IN
INTERNAL KEY QUANTITY1
HOLE DIAMETER1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
INTERNAL STRAIGHT KEY WIDTH0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONC1018 FSCM 22938 MFR REF SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
1104522Interchangeable
interchangeable cross-reference
interchangeable
831-6Interchangeable
interchangeable cross-reference
interchangeable
319696-647Interchangeable
interchangeable cross-reference
interchangeable
905316Interchangeable
interchangeable cross-reference
interchangeable
5316Interchangeable
interchangeable cross-reference
interchangeable
38-5316-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 5001/9?
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 5001/9?
5001/9 is a 5001/9.
What parts can replace 5001/9?
There are 25 known substitutes for 5001/9: 1104522, 831-6, 319696-647 and 22 more. Substitute compatibility should be verified for your specific system.
Is 5001/9 still available?
5001/9 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 — 5001/9

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