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218520 — WAVEGUIDE ASSEMBLY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

218520: WAVEGUIDE ASSEMBLY.

The WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER SINGLE TUBING SEGMENT, nut_style: SLOTTED, HEXAGON, nut_height: 0.859 INCHES NOMINAL IN, flexibility: FLEXIBLE SINGLE TUBING SEGMENT, flange_depth: 0.500 INCHES NOMINAL ALL FLANGES IN, flange_style: CONTACT TYPE ALL FLANGES. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-021-8520, 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
218520
NSN: 5310-00-021-8520
NIINs: 000218520, 000843761, 011198231
FSC: 5310 — Nuts and Washers
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCOPPER SINGLE TUBING SEGMENT
nut_styleSLOTTED, HEXAGON
nut_height0.859 INCHES NOMINAL IN
flexibilityFLEXIBLE SINGLE TUBING SEGMENT
flange_depth0.500 INCHES NOMINAL ALL FLANGES IN
flange_styleCONTACT TYPE ALL FLANGES
thread_class2B
thread_seriesUNF
flange_quantity2
style_designatorOFFSET BEND TYPE
thread_directionRIGHT-HAND
waveguide_length3.812 INCHES NOMINAL IN
NSN5310-00-021-8520
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 218520 · 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: 1.438 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.875 INCHES IN
•
NUT HEIGHT: 0.859 INCHES NOMINAL IN
•
NUT STYLE: SLOTTED, HEXAGON
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.438 INCHES NOMINAL IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.875 INCHES IN
NUT HEIGHT0.859 INCHES NOMINAL IN
NUT STYLESLOTTED, HEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH14
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
0914029Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0914029-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
914029Reference document
Same NSN cross-reference
Reference document — Secondary reference
BBHX1DReference 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 218520?
218520 is a WAVEGUIDE ASSEMBLY.
What parts can replace 218520?
There are 4 known substitutes for 218520: 0914029, 0914029-4, 914029 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 218520?
218520 is cataloged in the U.S. Government catalog under NSN 5310-00-021-8520. This indicates validated use in U.S. government and defense supply chains.
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