PartsTable
Technical Data Sheet
422890 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include features_provided: DISPOSABLE AND IMMEDIATE CONSUMPTION UNIT TYPE, hydrogen_generation_method: SODIUM BOROHYDRIDE AND WATER, part_name_assigned_by_controlling_agency: GENERATOR GAS ENVELOPE IMMEDIATE CONSUMPTION DISP 10S. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-042-2890, 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
422890
NSN: 5310-00-042-2890
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
special_featuresW/INTEGRAL PALLADIUM CATALYST; HYDROGEN AND CARBON DIOXIDE GENERATOR; PRODUCES AN AMBIENT ATMOSPHERE SUITABLE TO SUPPORT PRIMARY ISOLATION AND CULTIVATION OF MICROAEROPHILIC CAMPYLOBACTER JEJUNI
features_providedDISPOSABLE AND IMMEDIATE CONSUMPTION UNIT TYPE
hydrogen_generation_methodSODIUM BOROHYDRIDE AND WATER
part_name_assigned_by_controlling_agencyGENERATOR GAS ENVELOPE IMMEDIATE CONSUMPTION DISP 10S
NSN5310-00-042-2890
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 422890 · 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
THREAD CLASS: 2B
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH: 28
NOMINAL THREAD SIZE: 0.250 INCHES IN
THREAD SERIES: UNF
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
THREAD DIRECTION: RIGHT-HAND
NUT HEIGHT: 0.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH28
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIESUNF
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.219 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
93-1-21-7Interchangeable
interchangeable cross-reference
interchangeable
J3053-17Interchangeable
interchangeable cross-reference
interchangeable
11-816-15Interchangeable
interchangeable cross-reference
interchangeable
FFB571TYPEAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 422890?
422890 is a NUT,PLAIN,HEXAGON.
What parts can replace 422890?
There are 4 known substitutes for 422890: 93-1-21-7, J3053-17, 11-816-15 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 422890?
422890 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-042-2890. This indicates validated use in U.S. government and defense supply chains.
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