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2266888 — GEAR SECTOR,HELICAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2266888: GEAR SECTOR,HELICAL.

The GEAR SECTOR,HELICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, nut_style: HEXAGON, bore_style: SQUARE BOTH ENDS, nut_height: 0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN, teeth_type: SINGLE HELIX, tooth_form: STUB. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-392-6425, 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
2266888
NSN: 5310-01-392-6425
NIINs: 013926425, 014706853, 014707178, 014878204, 014957027
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
nut_styleHEXAGON
bore_styleSQUARE BOTH ENDS
nut_height0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
teeth_typeSINGLE HELIX
tooth_formSTUB
helix_angle45.0000 DEGREES
pitch_radius7.0000 INCHES NOMINAL IN
thread_class2B
overall_width1.500 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.250 INCHES NOMINAL IN
NSN5310-01-392-6425
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2266888 · 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
•
WIDTH ACROSS FLATS: 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NUT HEIGHT: 0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
NUT HEIGHT0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
SURFACE TREATMENTZINC AND CHROMATE OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
END ITEM IDENTIFICATIONDOOR HORIZ SLIDE
SUBSTITUTES & CROSS-REFERENCES 7
4322621Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
124-2266903 P/N 50Reference document
Same NSN cross-reference
Reference document — Secondary reference
124-4322621 PC 190Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS51472-02Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
124-2266888 P/N 53Reference document
Same NSN cross-reference
Reference document — Secondary reference
124-6938645 PART 139Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 2266888?
2266888 is a GEAR SECTOR,HELICAL.
What parts can replace 2266888?
There are 7 known substitutes for 2266888: 4322621, 124-2266903 P/N 50, 124-4322621 PC 190 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2266888?
2266888 is cataloged in the U.S. Government catalog under NSN 5310-01-392-6425. This indicates validated use in U.S. government and defense supply chains.
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