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218714 — WAVEGUIDE ASSEMBLY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

218714: WAVEGUIDE ASSEMBLY.

The WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY ALL TUBING SEGMENT AND FLANGE, ring_style: SPIRAL, flexibility: RIGID ALL TUBING SEGMENT, flange_depth: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM SECOND FLANGE IN, flange_style: CHOKE TYPE FIRST FLANGE, thread_class: 2B FIRST FLANGE ALL CONNECTION FACILITIES. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-087-4134, 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
218714
NSN: 5325-00-087-4134
NIINs: 000874134, 005286918
FSC: 5325 — Fastening Devices
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
materialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
ring_styleSPIRAL
flexibilityRIGID ALL TUBING SEGMENT
flange_depth0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM SECOND FLANGE IN
flange_styleCHOKE TYPE FIRST FLANGE
thread_class2B FIRST FLANGE ALL CONNECTION FACILITIES
usage_designINTERNAL
flange_quantity2
inside_diameter0.565 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
major_thickness0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
outside_diameter0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
style_designatorDOUBLE BEND TYPE
NSN5325-00-087-4134
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 218714 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL HARDNESS RATING: 72.0 ROCKWELL A MINIMUM AND 74.9 ROCKWELL A MAXIMUM
•
USAGE DESIGN: INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 302 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-5059, TYPE 302 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-766, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.565 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING72.0 ROCKWELL A MINIMUM AND 74.9 ROCKWELL A MAXIMUM
USAGE DESIGNINTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 302 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-5059, TYPE 302 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-766, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
MAJOR THICKNESS0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
INSIDE DIAMETER0.565 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPIRAL
SURFACE TREATMENTPASSIVATE
SUBSTITUTES & CROSS-REFERENCES 5
MIL-DTL-27426Reference document
Same NSN cross-reference
Reference document — Secondary reference
M2742640103DSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-DTL-27426/4Reference document
Same NSN cross-reference
Reference document — Identification reference
KC80084Reference document
Same NSN cross-reference
Reference document — Secondary reference
WHM-62-PA-S02Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 218714?
218714 is a WAVEGUIDE ASSEMBLY.
What parts can replace 218714?
There are 5 known substitutes for 218714: MIL-DTL-27426, M2742640103D, MIL-DTL-27426/4 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 218714?
218714 is cataloged in the U.S. Government catalog under NSN 5325-00-087-4134. This indicates validated use in U.S. government and defense supply chains.
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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.