PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 37581
37581 ✓ Verified by PartsTable
Leitz · COMPONENT
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

The SATURABLE REACTOR is a Leitz industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 1.016 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN, thread_class: 2B, overall_width: 1.625 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-085-2404, 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
37581
NSN: 6685-00-085-2404
FSC: 6685
CAGE: 02009 — RDF CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height1.016 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
thread_class2B
overall_width1.625 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
inclosure_typeHERMETICALLY SEALED
overall_height2.000 INCHES MAXIMUM IN
overall_length1.875 INCHES MAXIMUM IN
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
thread_directionRIGHT-HAND
NSN6685-00-085-2404
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Leitz SATURABLE REACTOR TITLE COMPONENT PN 37581 MFR Leitz SATURABLE REACTOR
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
BC 1524Interchangeable
interchangeable cross-reference
interchangeable
674-5011-00Interchangeable
interchangeable cross-reference
interchangeable
37581Interchangeable
interchangeable cross-reference
interchangeable
7371259Interchangeable
interchangeable cross-reference
interchangeable
640019Interchangeable
interchangeable cross-reference
interchangeable
04H0628PC4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 37581?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 37581?
37581 is a SATURABLE REACTOR manufactured by Leitz.
What parts can replace 37581?
There are 7 known substitutes for 37581: BC 1524, 674-5011-00, 37581 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 37581?
37581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-085-2404. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 37581

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026