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Technical Data Sheet
PartsTable / COMPONENT / 938.03.27.108
938.03.27.108 ✓ 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 938.03.27.108 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-1345, 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
938.03.27.108
NSN: 5310-00-167-1345
FSC: 5310
CAGE: S4080 — PILATUS AIRCRAFT LTD (CHE)
SPECIFICATIONS
Part Number938.03.27.108
NSN5310-00-167-1345
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 938.03.27.108 · 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
•
NUT HEIGHT: 0.234 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 24
•
THREAD CLASS: 3B
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.234 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.312 INCHES IN
END ITEM IDENTIFICATIONHIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
THREAD SERIESUNF
THREAD QUANTITY PER INCH24
THREAD CLASS3B
NUT STYLEHEXAGON
BEARING SURFACE TYPEWASHER FACED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
AN315-5RInterchangeable
interchangeable cross-reference
interchangeable
404 226Interchangeable
interchangeable cross-reference
interchangeable
8161462Interchangeable
Same NIIN cross-reference
interchangeable
F22R315-524Interchangeable
Same NIIN cross-reference
interchangeable
NAS502-5-4AInterchangeable
Same NIIN cross-reference
interchangeable
A143866Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 938.03.27.108?
938.03.27.108 is a 938.03.27.108.
What parts can replace 938.03.27.108?
There are 7 known substitutes for 938.03.27.108: AN315-5R, 404 226, 8161462 and 4 more. Substitute compatibility should be verified for your specific system.
Is 938.03.27.108 still available?
938.03.27.108 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