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PartsTable / COMPONENT / 8898794
8898794 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 11 OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.125 INCHES NOMINAL IN, overall_diameter: 0.312 INCHES NOMINAL IN, surface_treatment: NICKEL OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-591-3416, 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
8898794
NSN: 5310-00-591-3416
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 11 OVERALL
thickness0.032 INCHES NOMINAL IN
hole_diameter0.125 INCHES NOMINAL IN
overall_diameter0.312 INCHES NOMINAL IN
surface_treatmentNICKEL OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 2 GRADE AND E CLASS
material_document_and_classificationQQ-B-613 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-591-3416
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8898794 · 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: NICKEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY 11 OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 2 GRADE AND E CLASS
•
THICKNESS: 0.032 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTNICKEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 11 OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 2 GRADE AND E CLASS
THICKNESS0.032 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MS15795-904Interchangeable
interchangeable cross-reference
interchangeable
MS15795-64Interchangeable
interchangeable cross-reference
interchangeable
4521230-4Interchangeable
interchangeable cross-reference
interchangeable
FFW92TYAGR1CLB1 .00X0.562X0.078Interchangeable
Same NIIN cross-reference
interchangeable
DLA500-90-M-A281Interchangeable
Same NIIN cross-reference
interchangeable
FF-W-92Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8898794?
8898794 is a WASHER,FLAT.
What parts can replace 8898794?
There are 8 known substitutes for 8898794: MS15795-904, MS15795-64, 4521230-4 and 5 more. Substitute compatibility should be verified for your specific system.
Is 8898794 still available?
8898794 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