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PartsTable / COMPONENT / MILL3661-12
MILL3661-12 ✓ 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

THREADING MACHINE,PIPE AND BOLT. Key specifications include color: GREEN LENS, material: PLASTIC LENS, thread_class: 2A A, thread_length: 0.562 INCHES NOMINAL IN, thread_series: UNS, overall_height: 0.719 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-023-7029, 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
MILL3661-12
NSN: 6210-00-023-7029
FSC: 6210
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorGREEN LENS
materialPLASTIC LENS
thread_class2A A
thread_length0.562 INCHES NOMINAL IN
thread_seriesUNS
overall_height0.719 INCHES NOMINAL IN
overall_length0.601 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN
mounting_methodTHREAD
thread_diameter0.156 INCHES IN
thread_quantity32 PER INCH
effective_length0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
overall_diameter0.469 INCHES NOMINAL IN
NSN6210-00-023-7029
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available THREADING MACHINE,PIPE AND BOLT TITLE COMPONENT PN MILL3661-12 MFR THREADING MACHINE,PIPE
KEY FEATURES
•
LIGHT TRANSMISSION DESIGN: TRANSLUCENT LENS
•
EFFECTIVE DIAMETER: 0.438 INCHES NOMINAL IN
•
MATERIAL: PLASTIC LENS
•
THREAD DIAMETER: 0.312 INCHES IN
•
THREAD CLASS: 2A A
•
SURFACE CONDITION: SMOOTH FACE
•
THREAD QUANTITY: 32 PER INCH
TECHNICAL CHARACTERISTICS (FLIS)
LIGHT TRANSMISSION DESIGNTRANSLUCENT LENS
EFFECTIVE DIAMETER0.438 INCHES NOMINAL IN
MATERIALPLASTIC LENS
THREAD DIAMETER0.312 INCHES IN
THREAD CLASS2A A
SURFACE CONDITIONSMOOTH FACE
SURFACE CONDITIONSMOOTH BACK
THREAD QUANTITY32 PER INCH
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNEF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
177-0974-003Interchangeable
interchangeable cross-reference
interchangeable
LC12BTInterchangeable
interchangeable cross-reference
interchangeable
RM120BTInterchangeable
interchangeable cross-reference
interchangeable
MILL3661-12Interchangeable
interchangeable cross-reference
interchangeable
LC12CNInterchangeable
interchangeable cross-reference
interchangeable
MIL-L-3661/12(G REEN)Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILL3661-12?
MILL3661-12 is a THREADING MACHINE,PIPE AND BOLT.
What parts can replace MILL3661-12?
There are 35 known substitutes for MILL3661-12: 177-0974-003, LC12BT, RM120BT and 32 more. Substitute compatibility should be verified for your specific system.
Is MILL3661-12 still available?
MILL3661-12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026