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D560 — LOUDSPEAKER-MICROPHONE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

D560: LOUDSPEAKER-MICROPHONE.

The LOUDSPEAKER-MICROPHONE is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: INTERNAL, inside_diameter: 4.000 INCHES NOMINAL IN, major_thickness: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-281-6696, 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
D560
NSN: 5325-00-281-6696
NIINs: 002816696, 013910568, 014697401
FSC: 5325 — Fastening Devices
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
materialSTEEL
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
usage_designINTERNAL
inside_diameter4.000 INCHES NOMINAL IN
major_thickness0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
outside_diameter4.500 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
end_item_identificationPACER DAWN
material_hardness_rating48.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-281-6696
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D560 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL HARDNESS RATING: 48.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: INTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
USAGE DESIGNINTERNAL
END STYLE90 DEGREE PARALLEL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER4.500 INCHES NOMINAL IN
MAJOR THICKNESS0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
INSIDE DIAMETER4.000 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
370V4010Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D560?
D560 is a LOUDSPEAKER-MICROPHONE.
What parts can replace D560?
There is 1 known substitute for D560: 370V4010. Substitute compatibility should be verified for your specific system.
What is the NSN for D560?
D560 is cataloged in the U.S. Government catalog under NSN 5325-00-281-6696. 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.