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990400 — PISTON,VALVE

✓ Government record, cited
Thule · NUT WASHER
PRODUCT OVERVIEW

990400: PISTON,VALVE.

Accessory for cars when the load and bike carrier cover the car's 3rd brake light. Key specifications include material: STEEL CORROSION RESISTING, end_item_identification: PRESSURE REGULATOR. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-552-3441, 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
990400
NSN: 5310-01-552-3441
NIINs: 015523441, 016282316
FSC: 5310 — Nuts and Washers
CAGE: 0NH46 — MULTIQUIP INC. DBA MULTIQUIP INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
end_item_identificationPRESSURE REGULATOR
NSN5310-01-552-3441
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 990400 · Thule ⚠ 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER LOCK, 1/4"
END ITEM IDENTIFICATIONAIRFIELD DAMAGE REPAIR KIT, 3895-01-539-0585
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 990400?
990400 is a PISTON,VALVE manufactured by Thule.
What is the NSN for 990400?
990400 is cataloged in the U.S. Government catalog under NSN 5310-01-552-3441. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.