PartsTable
Technical Data Sheet
2D7 ✓ Verified by PartsTable
· 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

The LOUDSPEAKER,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, nut_style: HEXAGON, nut_height: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, power_rating: 25.00 WATTS NORMAL, thread_class: 3B, usage_design: INDOOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-268-6041, 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
2D7
NSN: 5310-00-268-6041
FSC: 5310
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
nut_styleHEXAGON
nut_height0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
power_rating25.00 WATTS NORMAL
thread_class3B
usage_designINDOOR
overall_depth6.125 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
thread_seriesUNF
hardness_rating19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
mounting_methodUNTHREADED HOLE(S)
transducer_typeCONE
NSN5310-00-268-6041
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2D7 · OEM ⚠ 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
NUT STYLE: HEXAGON
NUT HEIGHT: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
THREAD SERIES: UNF
HARDNESS RATING: 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH: 24
NOMINAL THREAD SIZE: 0.375 INCHES IN
BEARING SURFACE FINISH: 63.0 MICROINCHES
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
NUT HEIGHT0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
THREAD SERIESUNF
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.375 INCHES IN
BEARING SURFACE FINISH63.0 MICROINCHES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
0P1114Interchangeable
interchangeable cross-reference
interchangeable
2940Interchangeable
interchangeable cross-reference
interchangeable
4381Interchangeable
interchangeable cross-reference
interchangeable
609-1INInterchangeable
interchangeable cross-reference
interchangeable
0250Interchangeable
interchangeable cross-reference
interchangeable
370 1 IPSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2D7?
2D7 is a LOUDSPEAKER,ELECTROMAGNETIC.
What parts can replace 2D7?
There are 22 known substitutes for 2D7: 0P1114, 2940, 4381 and 19 more. Substitute compatibility should be verified for your specific system.
Is 2D7 still available?
2D7 is currently cancelled.
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