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3973819 — ADJUSTING DEVICE,BELT-CHAIN TENS

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3973819: ADJUSTING DEVICE,BELT-CHAIN TENS.

ADJUSTING DEVICE,BELT-CHAIN TENS. Key specifications include overall_width: 1.130 INCHES NOMINAL IN, overall_height: 8.750 INCHES NOMINAL IN, overall_length: 4.130 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: BELT TENSIONER. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-710-7033, 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
3973819
NSN: 3040-01-710-7033
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
overall_width1.130 INCHES NOMINAL IN
overall_height8.750 INCHES NOMINAL IN
overall_length4.130 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBELT TENSIONER
NSN3040-01-710-7033
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADJUSTING DEVICE,BELT-CHAIN TENS TITLE COMPONENT PN 3973819 MFR ADJUSTING DEVICE,BELT-
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT8.750 INCHES NOMINAL IN
OVERALL LENGTH4.130 INCHES NOMINAL IN
OVERALL WIDTH1.130 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBELT TENSIONER
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3973819?
3973819 is a ADJUSTING DEVICE,BELT-CHAIN TENS.
What is the NSN for 3973819?
3973819 is cataloged in the U.S. Government catalog under NSN 3040-01-710-7033. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.