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Technical Data Sheet
PartsTable / COMPONENT / 8-1815
8-1815 ✓ 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

PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: STEEL OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-013-8142, 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
8-1815
NSN: 5315-00-013-8142
FSC: 5315
CAGE: 45149 — OSGOOD CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
NSN5315-00-013-8142
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8-1815 · 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
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 0.297 INCHES NOMINAL IN
•
HEIGHT: 0.250 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 2.047 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 15.0 DEGREES NOMINAL
•
DIAMETER: 0.741 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1111 OVERALL
•
FIRST HOLE DIAMETER: 0.1719 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.297 INCHES NOMINAL IN
HEIGHT0.250 INCHES NOMINAL IN
UNDER HEAD LENGTH2.047 INCHES NOMINAL IN
PIN CHAMFER ANGLE15.0 DEGREES NOMINAL
DIAMETER0.741 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1010 OR STEEL COMP 1111 OVERALL
FIRST HOLE DIAMETER0.1719 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
STYLE DESIGNATORSTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
51941Interchangeable
interchangeable cross-reference
interchangeable
41950001-000Interchangeable
interchangeable cross-reference
interchangeable
A10226Interchangeable
interchangeable cross-reference
interchangeable
10226Interchangeable
interchangeable cross-reference
interchangeable
R268Interchangeable
interchangeable cross-reference
interchangeable
HS-440Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8-1815?
8-1815 is a PISTON,LINEAR ACTUATING CYLINDER.
What parts can replace 8-1815?
There are 22 known substitutes for 8-1815: 51941, 41950001-000, A10226 and 19 more. Substitute compatibility should be verified for your specific system.
Is 8-1815 still available?
8-1815 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026