PartsTable
Technical Data Sheet
1043-7 ✓ Verified by PartsTable
Trefl · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

Premium quality is achieved by using appropriate thick cardboard, a special non-reflective layer, and puzzle pieces’ perfect fitting. Key specifications include color: BLACK FIRST POSITION COVER SINGLE CONDUCTOR, material: COPPER ALLOY CONDUCTOR ACCOMMODATION, thread_length: 0.250 INCHES IN, overall_height: 0.610 INCHES IN, terminal_length: 0.316 INCHES IN, largest_diameter: 0.145 INCHES SINGLE END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-1239, 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
1043-7
NSN: 5310-00-209-1239
FSC: 5310
CAGE: 82423 — KLEINSCHMIDT INC (USA)
SPECIFICATIONS
colorBLACK FIRST POSITION COVER SINGLE CONDUCTOR
materialCOPPER ALLOY CONDUCTOR ACCOMMODATION
thread_length0.250 INCHES IN
overall_height0.610 INCHES IN
terminal_length0.316 INCHES IN
largest_diameter0.145 INCHES SINGLE END IN
size_designationCHILD OR X-LARGE ADULT
termination_typeTERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR
basic_shape_styleNONTUBULAR, HEX
precious_materialSILVER
surface_treatmentLACQUER OVERALL FIRST LAYER
width_across_flats0.187 INCHES IN
NSN5310-00-209-1239
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1043-7 · Trefl ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
22HS682Interchangeable
interchangeable cross-reference
interchangeable
99506Interchangeable
interchangeable cross-reference
interchangeable
6206DDUCE1SA2Interchangeable
interchangeable cross-reference
interchangeable
S227-1275P5Interchangeable
interchangeable cross-reference
interchangeable
1D6-16HInterchangeable
interchangeable cross-reference
interchangeable
11151238-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1043-7?
1043-7 is a LEAD,IGNITION,ENGINE manufactured by Trefl.
What parts can replace 1043-7?
There are 26 known substitutes for 1043-7: 22HS682, 99506, 6206DDUCE1SA2 and 23 more. Substitute compatibility should be verified for your specific system.
Is 1043-7 still available?
1043-7 is currently cancelled.
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