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Technical Data Sheet
PartsTable / COMPONENT / 10490-2
10490-2 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include diameter: 1.187 INCHES NOMINAL IN, material: ALUMINUM CASE, scale_marking: NUMERALS, special_features: LIGHTING 28V BLUE/WHITE; DRIVE TYPE SINGLE DC SERVO V, presentation_type: DIAL, end_item_identification: EUROCOPTER COUGAR AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-980-6155, 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
10490-2
NSN: 5310-00-980-6155
FSC: 5310
CAGE: 20284 — AIMTRON SYSTEMS, LLC (USA)
SPECIFICATIONS
diameter1.187 INCHES NOMINAL IN
materialALUMINUM CASE
scale_markingNUMERALS
special_featuresLIGHTING 28V BLUE/WHITE; DRIVE TYPE SINGLE DC SERVO V
presentation_typeDIAL
end_item_identificationEUROCOPTER COUGAR AIRCRAFT
scale_marking_transparencyFLUORESCENT
NSN5310-00-980-6155
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10490-2 · 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: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
PILOT DIAMETER: 0.212 INCHES MAXIMUM IN
•
NUT HEIGHT: 0.188 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
PILOT DIAMETER0.212 INCHES MAXIMUM IN
NUT HEIGHT0.188 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.138 INCHES IN
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1004-44Interchangeable
interchangeable cross-reference
interchangeable
D.P.5632Interchangeable
interchangeable cross-reference
interchangeable
1049-02Interchangeable
interchangeable cross-reference
interchangeable
50389-330Interchangeable
interchangeable cross-reference
interchangeable
10291-JACKInterchangeable
interchangeable cross-reference
interchangeable
Y1005-8-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10490-2?
10490-2 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 10490-2?
There are 8 known substitutes for 10490-2: 1004-44, D.P.5632, 1049-02 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10490-2?
10490-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-980-6155. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026