PartsTable
Technical Data Sheet
Download PDF

R56 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

R56: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include angle: 25.0 DEGREES NOMINAL, width: 1.251 INCHES NOMINAL IN, length: 1.062 INCHES NOMINAL IN, material: STEEL OVERALL, thickness: 0.312 INCHES NOMINAL IN, top_style: BEVELED FRONT. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-018-8549, 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
R56
NSN: 5325-00-018-8549
NIINs: 000188549, 001460418, 003910635, 009357813, 013976897
FSC: 5325 — Fastening Devices
CAGE: 70528 — ATLAS TACK CORP (USA)
SPECIFICATIONS
angle25.0 DEGREES NOMINAL
width1.251 INCHES NOMINAL IN
length1.062 INCHES NOMINAL IN
materialSTEEL OVERALL
thickness0.312 INCHES NOMINAL IN
top_styleBEVELED FRONT
body_styleRECTANGULAR COMMUTATOR
bevel_angle25.0 DEGREES NOMINAL
barrel_styleSTRAIGHT ROUND TYPE
flange_styleFLANGE
printer_typeWHEEL
barrel_height0.188 INCHES NOMINAL IN
NSN5325-00-018-8549
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: R56 · 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
•
FLANGE OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
BARREL OUTSIDE DIAMETER: 0.156 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
FLANGE STYLE: FLANGE
•
BARREL STYLE: STRAIGHT ROUND TYPE
•
BARREL HEIGHT: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
BARREL OUTSIDE DIAMETER0.156 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
FLANGE STYLEFLANGE
BARREL STYLESTRAIGHT ROUND TYPE
BARREL HEIGHT0.188 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
216MR016P024Reference document
Same NSN cross-reference
Reference document — Secondary reference
188549Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy R56?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is R56?
R56 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace R56?
There are 2 known substitutes for R56: 216MR016P024, 188549. Substitute compatibility should be verified for your specific system.
What is the NSN for R56?
R56 is cataloged in the U.S. Government catalog under NSN 5325-00-018-8549. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — R56

✓ 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.