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Technical Data Sheet
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990417 — RING,RETAINING

✓ Government record, cited
Intellinet · NUT WASHER
PRODUCT OVERVIEW

990417: RING,RETAINING.

Fiber optic cable carries information from one point to another in the form of light, and provides a vast array of features and benefits. Transmission Distance: It is not unusual for optical systems to go over 100 kilometers (km), or about 62 miles. Security: It is impossible to remotely detect a signal being transmitted within a fiber cable.

The only way to do so is by actually accessing the optical fiber itself. This makes fiber extremely attractive to governmental bodies, banks, and other businesses with major security concerns. No metallic components: Fiber optic cable can be installed in areas with electromagnetic interference (EMI).

This includes areas around utility lines, power-carrying lines, and railroad tracks. Fiber is also ideal for areas of high lightning-strike incidence. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-222-3188, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
990417
NSN: 5310-00-222-3188
NIINs: 002223188, 011121535
FSC: 5310 — Nuts and Washers
CAGE: 19139 — EASTMAN KODAK CO (USA)
SPECIFICATIONS
materialPLASTIC ETHYL CELLULOSE OVERALL
nut_styleHEXAGON
nut_height0.500 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats1.082 INCHES NOMINAL IN
nominal_thread_size0.875 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch14
NSN5310-00-222-3188
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 990417 · Intellinet ⚠ 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: 1.082 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.875 INCHES IN
•
NUT HEIGHT: 0.500 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 14
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.082 INCHES NOMINAL IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.875 INCHES IN
NUT HEIGHT0.500 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH14
MATERIALPLASTIC ETHYL CELLULOSE OVERALL
BEARING SURFACE TYPECHAMFERED
SUBSTITUTES & CROSS-REFERENCES 2
613278Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
502106Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 990417?
990417 is a RING,RETAINING manufactured by Intellinet.
What parts can replace 990417?
There are 2 known substitutes for 990417: 613278, 502106. Substitute compatibility should be verified for your specific system.
What is the NSN for 990417?
990417 is cataloged in the U.S. Government catalog under NSN 5310-00-222-3188. This indicates validated use in U.S. government and defense supply chains.
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