PartsTable
Technical Data Sheet
103-0621 ✓ Verified by PartsTable
3M · 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: PLASTIC POLYAMIDE NYLON CHANNEL, nut_style: HEXAGON, body_style: RIGHT ANGLE TYPE, nut_height: 0.328 INCHES MAXIMUM IN, body_height: 0.238 INCHES NOMINAL IN, lubrication: SOLUBLE LUBRICANT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-902-7846, 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
103-0621
NSN: 5310-00-902-7846
FSC: 5310
CAGE: 93408 — JOHN BEAN TECHNOLOGIES CORPORATION DBA JBT AEROTECH-MILITARY PROGRAMS DIV JBT AEROTECH (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON CHANNEL
nut_styleHEXAGON
body_styleRIGHT ANGLE TYPE
nut_height0.328 INCHES MAXIMUM IN
body_height0.238 INCHES NOMINAL IN
lubricationSOLUBLE LUBRICANT
temp_rating250.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
overall_width0.450 INCHES NOMINAL IN
terminal_typePIN SINGLE MATING END SINGLE CONTACT GROUPING
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_length3.184 INCHES NOMINAL IN
NSN5310-00-902-7846
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 103-0621 · 3M ⚠ 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
KEY FEATURES
TEMP RATING: 250.0 FAHRENHEIT MAXIMUM DEGF
NUT HEIGHT: 0.328 INCHES MAXIMUM IN
NUT STYLE: HEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES NUT
BEARING SURFACE FINISH: 125.0 MICROINCHES
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
LUBRICATION: SOLUBLE LUBRICANT
SURFACE TREATMENT: CADMIUM AND CHROMATE NUT
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING250.0 FAHRENHEIT MAXIMUM DEGF
NUT HEIGHT0.328 INCHES MAXIMUM IN
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES NUT
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
LUBRICATIONSOLUBLE LUBRICANT
SURFACE TREATMENTCADMIUM AND CHROMATE NUT
HARDNESS RATING35.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
25704-281542-27-0Interchangeable
interchangeable cross-reference
interchangeable
22NTE070Interchangeable
interchangeable cross-reference
interchangeable
503445Interchangeable
interchangeable cross-reference
interchangeable
312358-002Interchangeable
interchangeable cross-reference
interchangeable
103062-1Interchangeable
interchangeable cross-reference
interchangeable
MS20364-720Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 103-0621?
103-0621 is a CONNECTOR,RECEPTACLE,ELECTRICAL manufactured by 3M.
What parts can replace 103-0621?
There are 12 known substitutes for 103-0621: 25704-281542-27-0, 22NTE070, 503445 and 9 more. Substitute compatibility should be verified for your specific system.
Is 103-0621 still available?
103-0621 is currently cancelled.
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