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SL72050 ✓ Verified by PartsTable
— · 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 LOCK,VALVE SPRING RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100, overall_height: 0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN, style_designator: STRAIGHT BORE-STRAIGHT SIDES W/ROUNDED CORNERS, thread_provision: UNTHREADED, fsc_application_data: ENGINE,AIRCRAFT,RECIPROCATING, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2810-00-670-1692, 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
SL72050
NSN: 2810-00-670-1692
FSC: 2810
CAGE: EBNJ6 — SUPERIOR AIR PARTS NZ LTD (NZL)
SPECIFICATIONS
materialSTEEL COMP E52100
overall_height0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
style_designatorSTRAIGHT BORE-STRAIGHT SIDES W/ROUNDED CORNERS
thread_provisionUNTHREADED
fsc_application_dataENGINE,AIRCRAFT,RECIPROCATING
casehardening_indicatorNOT CASEHARDENED
largest_inside_diameter0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
largest_outside_diameter0.627 INCHES MINIMUM AND 0.632 INCHES MAXIMUM IN
metallic_hardness_rating60.0 NOMINAL ROCKWELL C
material_document_and_classificationSAE 52100 ASSN STD SINGLE MATERIAL RESPONSE
NSN2810-00-670-1692
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCK,VALVE SPRING RETAINER TITLE COMPONENT PN SL72050 MFR LOCK,VALVE SPRING RETA
KEY FEATURES
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
METALLIC HARDNESS RATING: 60.0 NOMINAL ROCKWELL C
•
LARGEST INSIDE DIAMETER: 0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E52100
•
FSC APPLICATION DATA: ENGINE,AIRCRAFT,RECIPROCATING
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 52100 ASSN STD SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: STRAIGHT BORE-STRAIGHT SIDES W/ROUNDED CORNERS
•
THREAD PROVISION: UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
METALLIC HARDNESS RATING60.0 NOMINAL ROCKWELL C
LARGEST INSIDE DIAMETER0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100
FSC APPLICATION DATAENGINE,AIRCRAFT,RECIPROCATING
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 52100 ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATORSTRAIGHT BORE-STRAIGHT SIDES W/ROUNDED CORNERS
THREAD PROVISIONUNTHREADED
LARGEST OUTSIDE DIAMETER0.627 INCHES MINIMUM AND 0.632 INCHES MAXIMUM IN
OVERALL HEIGHT0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MPS6518Interchangeable
interchangeable cross-reference
interchangeable
007-T-0194-00Interchangeable
interchangeable cross-reference
interchangeable
316916AInterchangeable
interchangeable cross-reference
interchangeable
41SX179Interchangeable
interchangeable cross-reference
interchangeable
1911644Interchangeable
interchangeable cross-reference
interchangeable
33665Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SL72050?
SL72050 is a LOCK,VALVE SPRING RETAINER.
What parts can replace SL72050?
There are 9 known substitutes for SL72050: MPS6518, 007-T-0194-00, 316916A and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL72050?
SL72050 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2810-00-670-1692. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026