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A51B96539-15 — SPACER,SLEEVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A51B96539-15: SPACER,SLEEVE.

The SPACER,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0270 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN, overall_length: 0.4020 INCHES MINIMUM AND 0.4170 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-003-6550, 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
A51B96539-15
NSN: 5365-00-003-6550
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0270 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN
overall_length0.4020 INCHES MINIMUM AND 0.4170 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentCADMIUM AND CHROMATE OVERALL
body_inside_diameter0.5610 INCHES MINIMUM AND 0.5623 INCHES MAXIMUM IN
body_outside_diameter0.6887 INCHES MINIMUM AND 0.6892 INCHES MAXIMUM IN
flange_outside_diameter0.9700 INCHES NOMINAL IN
criticality_code_justificationADAS AND ADAR
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5365-00-003-6550
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,SLEEVE TITLE COMPONENT PN A51B96539-15 MFR SPACER,SLEEVE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE OUTSIDE DIAMETER: 0.9700 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.6887 INCHES MINIMUM AND 0.6892 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: ADAS AND ADAR
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 0.5610 INCHES MINIMUM AND 0.5623 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER0.9700 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.6887 INCHES MINIMUM AND 0.6892 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONADAS AND ADAR
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH0.4020 INCHES MINIMUM AND 0.4170 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.5610 INCHES MINIMUM AND 0.5623 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
FLANGE WIDTH0.0270 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-001-6743 5365-00-003-1913 5365-00-004-0905 5365-00-004-1527 5365-00-004-7306 5365-00-006-5177 5365-00-007-1601 5365-00-008-4598
SUBSTITUTES & CROSS-REFERENCES 1
A51B96539-11Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 A51B96539-15?
A51B96539-15 is a SPACER,SLEEVE.
What parts can replace A51B96539-15?
There is 1 known substitute for A51B96539-15: A51B96539-11. Substitute compatibility should be verified for your specific system.
What is the NSN for A51B96539-15?
A51B96539-15 is cataloged in the U.S. Government catalog under NSN 5365-00-003-6550. 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.