PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 681887
681887 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include flexibility: FLEXIBLE SINGLE TUBING SEGMENT, flange_depth: 0.114 INCHES NOMINAL ALL FLANGES IN, flange_style: COVER TYPE ALL FLANGES, thread_class: 2B ALL FLANGES ALL CONNECTION FACILITIES, special_features: SILVER ON INTERNAL WAVEGUIDE SURFACE, style_designator: STRAIGHT TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-776-2235, 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
681887
NSN: 5985-00-776-2235
FSC: 5985
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
flexibilityFLEXIBLE SINGLE TUBING SEGMENT
flange_depth0.114 INCHES NOMINAL ALL FLANGES IN
flange_styleCOVER TYPE ALL FLANGES
thread_class2B ALL FLANGES ALL CONNECTION FACILITIES
flange_quantity2
special_featuresSILVER ON INTERNAL WAVEGUIDE SURFACE
style_designatorSTRAIGHT TYPE
thread_directionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
waveguide_length1.940 INCHES NOMINAL IN
precious_materialSILVER
surface_treatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
flange_inside_width0.350 INCHES NOMINAL ALL FLANGES IN
NSN5985-00-776-2235
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WAVEGUIDE ASSEMBLY TITLE COMPONENT PN 681887 MFR WAVEGUIDE ASSEMBLY
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.112 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
•
THREAD CLASS: 2B ALL FLANGES ALL CONNECTION FACILITIES
•
SURFACE TREATMENT: SILVER SINGLE TUBING SEGMENT INSIDE SURFACES
•
FLANGE INSIDE WIDTH: 0.350 INCHES NOMINAL ALL FLANGES IN
•
WAVEGUIDE LENGTH: 1.940 INCHES NOMINAL IN
•
PRECIOUS MATERIAL AND LOCATION: TUBING INSIDE SURFACE SILVER
•
FLEXIBILITY: FLEXIBLE SINGLE TUBING SEGMENT
•
TUBING WALL CONSTRUCTION STYLE: SEAMLESS SINGLE TUBING SEGMENT
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.112 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
THREAD CLASS2B ALL FLANGES ALL CONNECTION FACILITIES
SURFACE TREATMENTSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
FLANGE INSIDE WIDTH0.350 INCHES NOMINAL ALL FLANGES IN
WAVEGUIDE LENGTH1.940 INCHES NOMINAL IN
PRECIOUS MATERIAL AND LOCATIONTUBING INSIDE SURFACE SILVER
FLEXIBILITYFLEXIBLE SINGLE TUBING SEGMENT
TUBING WALL CONSTRUCTION STYLESEAMLESS SINGLE TUBING SEGMENT
WAVEGUIDE INSIDE WIDTH0.280 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
18X12X10SWDOM275Interchangeable
interchangeable cross-reference
interchangeable
ASTM-D1974Interchangeable
interchangeable cross-reference
interchangeable
ASTM-D1974/D1974MInterchangeable
interchangeable cross-reference
interchangeable
306-35Interchangeable
interchangeable cross-reference
interchangeable
10351-SS-1032-6BInterchangeable
interchangeable cross-reference
interchangeable
10351SS1032-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 681887?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 681887?
681887 is a WAVEGUIDE ASSEMBLY.
What parts can replace 681887?
There are 7 known substitutes for 681887: 18X12X10SWDOM275, ASTM-D1974, ASTM-D1974/D1974M and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 681887?
681887 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-776-2235. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 681887

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026