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7521941 — LOCK,VALVE SPRING RETAINER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7521941: LOCK,VALVE SPRING RETAINER.

The LOCK,VALVE SPRING RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL, overall_height: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN, style_designator: STRAIGHT BORE W/TWO GROOVES, thread_provision: UNTHREADED, first_groove_width: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, second_groove_width: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-752-1941, 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
7521941
NSN: 2805-00-752-1941
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 02386 — HIGHLAND AUTO & TRUCK SUPPLY (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
style_designatorSTRAIGHT BORE W/TWO GROOVES
thread_provisionUNTHREADED
first_groove_width0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
second_groove_width0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
fsc_application_dataENGINE,GASOLINE,NON-AIRCRAFT
casehardening_indicatorNOT CASEHARDENED
largest_inside_diameter0.430 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
minimum_inside_diameter0.376 INCHES IN
largest_outside_diameter0.650 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN
outside_included_angle_in_deg14.250
NSN2805-00-752-1941
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCK,VALVE SPRING RETAINER TITLE COMPONENT PN 7521941 MFR LOCK,VALVE SPRING RETA
KEY FEATURES
•
FSC APPLICATION DATA: ENGINE,GASOLINE,NON-AIRCRAFT
•
MINIMUM INSIDE DIAMETER: 0.376 INCHES IN
•
SECOND GROOVE WIDTH: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
THREAD PROVISION: UNTHREADED
•
LARGEST OUTSIDE DIAMETER: 0.650 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN
•
DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS: 0.153 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
•
LARGEST INSIDE DIAMETER: 0.430 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
FSC APPLICATION DATAENGINE,GASOLINE,NON-AIRCRAFT
MINIMUM INSIDE DIAMETER0.376 INCHES IN
SECOND GROOVE WIDTH0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
THREAD PROVISIONUNTHREADED
LARGEST OUTSIDE DIAMETER0.650 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN
DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS0.153 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
LARGEST INSIDE DIAMETER0.430 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT BORE W/TWO GROOVES
DISTANCE FROM BOTTOM TO FIRST GROOVE CENTER0.172 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-000-4022 2805-00-001-0029 2805-00-001-3527 2805-00-001-3844 2805-00-001-3854 2805-00-001-6154 2805-00-001-6164 2805-00-001-6575
SUBSTITUTES & CROSS-REFERENCES 3
913794Reference document
Same NSN cross-reference
Reference document — Secondary reference
864A4Reference document
Same NSN cross-reference
Reference document — Secondary reference
VR70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 7521941?
7521941 is a LOCK,VALVE SPRING RETAINER.
What parts can replace 7521941?
There are 3 known substitutes for 7521941: 913794, 864A4, VR70. Substitute compatibility should be verified for your specific system.
What is the NSN for 7521941?
7521941 is cataloged in the U.S. Government catalog under NSN 2805-00-752-1941. 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.