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2537920 — COVER,RETAINER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2537920: COVER,RETAINER.

The COVER,RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL, bore_type: STRAIGHT, face_width: 0.110 INCHES NOMINAL IN, bore_length: 0.500 INCHES NOMINAL IN, design_form: PLAIN, tooth_pitch: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-166-0264, 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
2537920
NSN: 3020-00-166-0264
NIINs: 001660264, 006256636
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL
bore_typeSTRAIGHT
face_width0.110 INCHES NOMINAL IN
bore_length0.500 INCHES NOMINAL IN
design_formPLAIN
tooth_pitch0.250 INCHES NOMINAL IN
bore_diameter0.312 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
pitch_diameter1.200 INCHES NOMINAL IN
outside_diameter1.668 INCHES NOMINAL IN
style_designatorPLAIN
teeth_row_quantity1
NSN3020-00-166-0264
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,RETAINER TITLE COMPONENT PN 2537920 MFR COVER,RETAINER
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 0.750 INCHES NOMINAL AA END IN
•
BORE LENGTH: 0.500 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TOOTH PITCH: 0.250 INCHES NOMINAL IN
•
ASA STANDARD CHAIN NUMBER: 25
•
OUTSIDE DIAMETER: 1.668 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
PITCH DIAMETER: 1.200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER0.750 INCHES NOMINAL AA END IN
BORE LENGTH0.500 INCHES NOMINAL IN
DESIGN FORMPLAIN
TOOTH PITCH0.250 INCHES NOMINAL IN
ASA STANDARD CHAIN NUMBER25
OUTSIDE DIAMETER1.668 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
PITCH DIAMETER1.200 INCHES NOMINAL IN
OVERALL LENGTH0.500 INCHES NOMINAL IN
BORE TYPESTRAIGHT
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 2537920?
2537920 is a COVER,RETAINER.
What is the NSN for 2537920?
2537920 is cataloged in the U.S. Government catalog under NSN 3020-00-166-0264. 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.