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SL 2521-3-17B — SPACER,SLEEVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SL 2521-3-17B: SPACER,SLEEVE.

The SPACER,SLEEVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 1230 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0810 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN, overall_length: 0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN, body_inside_diameter: 0.1920 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM IN, body_outside_diameter: 0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-265-4838, 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
SL 2521-3-17B
NSN: 5365-01-265-4838
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 97393 — SPS TECHNOLOGIES LLC DBA SHUR-LOK COMPANY DIV AEROSPACE ENGINEERED PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 1230 OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0810 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
overall_length0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN
body_inside_diameter0.1920 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM IN
body_outside_diameter0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
material_document_and_classificationWW-T-700/6,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/5,T3 OR T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL
NSN5365-01-265-4838
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,SLEEVE TITLE COMPONENT PN SL 2521-3-17B MFR SPACER,SLEEVE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: WW-T-700/6,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/5,T3 OR T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.1920 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0810 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 1230 OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700/6,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/5,T3 OR T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1920 INCHES MINIMUM AND 0.2020 INCHES MAXIMUM IN
FLANGE WIDTH0.0810 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 1230 OVERALL
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940
SUBSTITUTES & CROSS-REFERENCES 1
295925-17Same 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 SL 2521-3-17B?
SL 2521-3-17B is a SPACER,SLEEVE.
What parts can replace SL 2521-3-17B?
There is 1 known substitute for SL 2521-3-17B: 295925-17. Substitute compatibility should be verified for your specific system.
What is the NSN for SL 2521-3-17B?
SL 2521-3-17B is cataloged in the U.S. Government catalog under NSN 5365-01-265-4838. 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.