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404997 — SPACER,SLEEVE

✓ Government record, cited
3M · COMPONENT
PRODUCT OVERVIEW

404997: SPACER,SLEEVE.

The SPACER,SLEEVE is a 3M industrial component. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0700 INCHES NOMINAL IN, overall_length: 0.2500 INCHES NOMINAL IN, hardness_rating: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-877-8974, 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
404997
NSN: 5365-00-877-8974
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 97139 — THE SLABE MACHINE PRODUCTS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0700 INCHES NOMINAL IN
overall_length0.2500 INCHES NOMINAL IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.3430 INCHES NOMINAL IN
body_outside_diameter0.4930 INCHES NOMINAL IN
flange_outside_diameter0.6500 INCHES NOMINAL IN
NSN5365-00-877-8974
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: 3M SPACER,SLEEVE TITLE COMPONENT PN 404997 MFR 3M SPACER,SLEEVE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
FLANGE OUTSIDE DIAMETER: 0.6500 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.4930 INCHES NOMINAL IN
•
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 0.3430 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.0700 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER0.6500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.4930 INCHES NOMINAL IN
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH0.2500 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.3430 INCHES NOMINAL IN
FLANGE WIDTH0.0700 INCHES NOMINAL IN
MATERIALSTEEL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 404997?
404997 is a SPACER,SLEEVE manufactured by 3M.
What is the NSN for 404997?
404997 is cataloged in the U.S. Government catalog under NSN 5365-00-877-8974. 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.