PartsTable
Technical Data Sheet
81661 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

WRENCH,BOX AND OPEN END,COMBINAT. Key specifications include material: STEEL OVERALL, head_angle: 15.0 DEGREES NOMINAL, overall_length: 10.046 INCHES MINIMUM AND 12.015 INCHES MAXIMUM IN, style_designator: OFFSET, surface_treatment: CHROMIUM OVERALL, wrenching_surface_size: 0.812 INCHES NOMINAL BOTH ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-212-0270, 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
MRO MRO_GENERAL 81661
NSN: 6145-01-212-0270
FSC: 6145
CAGE: 53909 — CAROL CABLE CO INC ELECTRONIC DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_angle15.0 DEGREES NOMINAL
overall_length10.046 INCHES MINIMUM AND 12.015 INCHES MAXIMUM IN
style_designatorOFFSET
surface_treatmentCHROMIUM OVERALL
wrenching_surface_size0.812 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeOVAL FIRST END INTERNAL
wrenching_end_offset_angle15.0 DEGREES NOMINAL
nondefinitive_spec/std_data2 TYPE AND 4 CLASS AND C STYLE
specification/standard_data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
valve_size_for_which_designed6.000 INCHES IN
valve_type_for_which_designedBUTTERFLY
NSN6145-01-212-0270
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 81661 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
TEMP RATING: 90.0 CELSIUS DEGC
CROSS-SECTIONAL SHAPE STYLE: ROUND
CROSS SECTION OUTSIDE DIAMETER: 0.660 INCHES NOMINAL IN
COLOR: BLACK FIRST POSITION COVER SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE: 2 AWG SINGLE CONDUCTOR
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR: 26 SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING90.0 CELSIUS DEGC
CROSS-SECTIONAL SHAPE STYLEROUND
CROSS SECTION OUTSIDE DIAMETER0.660 INCHES NOMINAL IN
COLORBLACK FIRST POSITION COVER SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE2 AWG SINGLE CONDUCTOR
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR26 SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR259 SINGLE CONDUCTOR
VOLTAGE RATING600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
91554889Interchangeable
interchangeable cross-reference
interchangeable
M22520/3-2Interchangeable
interchangeable cross-reference
interchangeable
620156Interchangeable
interchangeable cross-reference
interchangeable
7100KH1-1-4Interchangeable
interchangeable cross-reference
interchangeable
81661Interchangeable
interchangeable cross-reference
interchangeable
81661BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81661?
81661 is a WRENCH,BOX AND OPEN END,COMBINAT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 81661?
There are 19 known substitutes for 81661: 91554889, M22520/3-2, 620156 and 16 more. Substitute compatibility should be verified for your specific system.
Is 81661 still available?
81661 is currently cancelled.
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