PartsTable
Technical Data Sheet
37731 ✓ Verified by PartsTable
Hasbro · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

Make superhero action “come alive” with this awesome Iron Man mask! When villainy rears its ugly head and you’ve got to save the day, put on your mask to feel just like your favorite iron-clad hero. With a comfort-padded eyepiece and details that make this mask seem just like the real thing, you’ll want to wear it all the time — or at least until your evil enemies are defeated! This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-118-5189, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO MRO_GENERAL 37731
NSN: 3020-00-118-5189
FSC: 3020
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY
body_stylePLAIN, SOLID
bore_styleINVOLUTE SPLINE BOTH ENDS
tooth_formSTANDARD
inclosure_typeHERMETICALLY SEALED
pitch_diameter16.4285 INCHES NOMINAL IN
pressure_angle27.0000 DEGREES
teeth_quantity108
hardness_rating81.0 ROCKWELL C MINIMUM AND 85.0 ROCKWELL C MAXIMUM OVERALL
spline_quantity115 BOTH ENDS
style_designatorPROTRUDING HUBS
face_nominal_width0.937 INCHES IN
NSN3020-00-118-5189
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hasbro FILTER,BAND PASS TITLE COMPONENT PN 37731 MFR Hasbro FILTER,BAND PASS
KEY FEATURES
BODY STYLE: PLAIN, SOLID
MATERIAL: STEEL COMP E9310 OVERALL
NOMINAL OVERALL LENGTH: 1.125 INCHES IN
PRESSURE ANGLE: 27.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.094 INCHES BOTH ENDS IN
HARDNESS RATING: 81.0 ROCKWELL C MINIMUM AND 85.0 ROCKWELL C MAXIMUM OVERALL
SPLINE PITCH DIAMETER: 15.2308 INCHES NOMINAL BOTH ENDS IN
FACE NOMINAL WIDTH: 0.937 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLEPLAIN, SOLID
MATERIALSTEEL COMP E9310 OVERALL
NOMINAL OVERALL LENGTH1.125 INCHES IN
PRESSURE ANGLE27.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.094 INCHES BOTH ENDS IN
HARDNESS RATING81.0 ROCKWELL C MINIMUM AND 85.0 ROCKWELL C MAXIMUM OVERALL
SPLINE PITCH DIAMETER15.2308 INCHES NOMINAL BOTH ENDS IN
FACE NOMINAL WIDTH0.937 INCHES IN
TOOTH FORMSTANDARD
TEETH QUANTITY108
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
37731Interchangeable
interchangeable cross-reference
interchangeable
BC3269Interchangeable
interchangeable cross-reference
interchangeable
18356N PIECE 24Interchangeable
interchangeable cross-reference
interchangeable
18356N GROUP 6 PC NO. 24Interchangeable
interchangeable cross-reference
interchangeable
3853 PIECE 10Interchangeable
interchangeable cross-reference
interchangeable
03764BDF5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37731?
37731 is a FILTER,BAND PASS manufactured by Hasbro. It is classified as a MRO (MRO_GENERAL).
What parts can replace 37731?
There are 6 known substitutes for 37731: 37731, BC3269, 18356N PIECE 24 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 37731?
37731 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-118-5189. This indicates validated use in U.S. government and defense supply chains.
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