PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 938.77.61.017
938.77.61.017 ✓ 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 938.77.61.017 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-0803, 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
938.77.61.017
NSN: 5310-00-167-0803
FSC: 5310
CAGE: S4080 — PILATUS AIRCRAFT LTD (CHE)
SPECIFICATIONS
Part Number938.77.61.017
NSN5310-00-167-0803
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 938.77.61.017 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
•
OVERALL DIAMETER: 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
OVERALL DIAMETER0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
92115Interchangeable
interchangeable cross-reference
interchangeable
840291Interchangeable
interchangeable cross-reference
interchangeable
51102-000Interchangeable
interchangeable cross-reference
interchangeable
205-0135-200Interchangeable
interchangeable cross-reference
interchangeable
7-851230Interchangeable
interchangeable cross-reference
interchangeable
851230Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 938.77.61.017?
938.77.61.017 is a 938.77.61.017.
What parts can replace 938.77.61.017?
There are 24 known substitutes for 938.77.61.017: 92115, 840291, 51102-000 and 21 more. Substitute compatibility should be verified for your specific system.
Is 938.77.61.017 still available?
938.77.61.017 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