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Technical Data Sheet
A-1-677 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The INSIGNIA,SHOULDER SLEEVE is a the manufacturer industrial component. Key specifications include color: YELLOW LEGEND, base_style: WIRE LEADS, DOWN, bulb_style: T (TUBULAR), body_length: 0.875 INCHES NOMINAL IN, overall_width: 0.688 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-072-9937, 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
A-1-677
NSN: 5950-00-072-9937
FSC: 5950
CAGE: 59901 — MTK ELECTRONICS INC (USA)
SPECIFICATIONS
colorYELLOW LEGEND
base_styleWIRE LEADS, DOWN
bulb_styleT (TUBULAR)
body_length0.875 INCHES NOMINAL IN
overall_width0.688 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
fiber_materialRAYON LEGEND
inclosure_typeFULLY INCLOSED
overall_length3.250 INCHES NOMINAL IN
voltage_rating6.300 VOLTS NOMINAL
wattage_rating1.260 WATTS
bulb_designatorT-1 3/4
NSN5950-00-072-9937
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSIGNIA,SHOULDER SLEEVE TITLE COMPONENT PN A-1-677 MFR INSIGNIA,SHOULDER SLEE
KEY FEATURES
DC RESISTANCE RATING IN OHMS: 0.065 SINGLE COMPONENT SINGLE WINDING
TERMINAL TYPE AND QUANTITY: 2 SOLDER STUD
WINDING QUANTITY: 1 SINGLE COMPONENT
BODY LENGTH: 0.875 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER: 0.139 INCHES NOMINAL SINGLE GROUP IN
INCLOSURE TYPE: FULLY INCLOSED
INDUCTANCE RATING: 700.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
RATING METHOD: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
TECHNICAL CHARACTERISTICS (FLIS)
DC RESISTANCE RATING IN OHMS0.065 SINGLE COMPONENT SINGLE WINDING
TERMINAL TYPE AND QUANTITY2 SOLDER STUD
WINDING QUANTITY1 SINGLE COMPONENT
BODY LENGTH0.875 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.139 INCHES NOMINAL SINGLE GROUP IN
INCLOSURE TYPEFULLY INCLOSED
INDUCTANCE RATING700.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
RATING METHODELECTRICAL SINGLE COMPONENT SINGLE WINDING
WINDING OPERATING CURRENT2.5 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
INDUCTANCE TYPEFIXED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
1677Interchangeable
interchangeable cross-reference
interchangeable
A1677Interchangeable
interchangeable cross-reference
interchangeable
14204Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14652BInterchangeable
interchangeable cross-reference
interchangeable
MIL-I-14652Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14652Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-1-677?
A-1-677 is a INSIGNIA,SHOULDER SLEEVE.
What parts can replace A-1-677?
There are 7 known substitutes for A-1-677: 1677, A1677, 14204 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-1-677?
A-1-677 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-072-9937. This indicates validated use in U.S. government and defense supply chains.
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