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Technical Data Sheet
PartsTable / COMPONENT / 917681/001
917681/001 ✓ 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 917681/001 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-530-9963, 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
917681/001
NSN: 5310-00-530-9963
FSC: 5310
CAGE: K0268 — RAYTHEON SYSTEMS LTD (GBR)
SPECIFICATIONS
Part Number917681/001
NSN5310-00-530-9963
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 917681/001 · 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
•
MATERIAL THICKNESS: 0.012 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
HOLE DIAMETER: 0.149 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.264 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
•
DISTANCE ACROSS SPLIT OPENING: 0.015 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL A FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SPLIT
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.012 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
HOLE DIAMETER0.149 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.264 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
DISTANCE ACROSS SPLIT OPENING0.015 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL A FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSPLIT
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
G531Interchangeable
G531H
interchangeable
MST-MInterchangeable
interchangeable cross-reference
interchangeable
28909 1-1/8X2 TREE POINTEDInterchangeable
interchangeable cross-reference
interchangeable
1086862Interchangeable
interchangeable cross-reference
interchangeable
2106788Interchangeable
interchangeable cross-reference
interchangeable
5531Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 917681/001?
917681/001 is a 917681/001.
What parts can replace 917681/001?
There are 28 known substitutes for 917681/001: G531, MST-M, 28909 1-1/8X2 TREE POINTED and 25 more. Substitute compatibility should be verified for your specific system.
Is 917681/001 still available?
917681/001 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