SP50399 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SP50399: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include angle: 40.0 DEGREES NOMINAL, width: 1.250 INCHES NOMINAL IN, length: 1.250 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, thickness: 0.375 INCHES NOMINAL IN, top_style: BEVELED FRONT WITH RIGHT SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-246-3352, 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

SP50399

NSN: 5977-00-246-3352
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 95402 — ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC (USA)

SPECIFICATIONS

angle	40.0 DEGREES NOMINAL
width	1.250 INCHES NOMINAL IN
length	1.250 INCHES NOMINAL IN
material	ELECTROGRAPHITIC
thickness	0.375 INCHES NOMINAL IN
top_style	BEVELED FRONT WITH RIGHT SHOULDER
body_style	RECTANGULAR COMMUTATOR
bevel_angle	30.0 DEGREES NOMINAL
style_designator	ONE PIECE
brush_shunt_length	3.000 INCHES NOMINAL SINGLE SHUNT IN
contact_face_style	BEVELED
terminal_hole_diameter	0.344 INCHES NOMINAL IN
NSN	5977-00-246-3352

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 1.250 INCHES NOMINAL IN

•

BODY STYLE: RECTANGULAR COMMUTATOR

•

TERMINAL HOLE DIAMETER: 0.344 INCHES NOMINAL IN

•

TOP STYLE: BEVELED FRONT WITH RIGHT SHOULDER

•

SHUNT POSITION DESIGNATOR: 12

•

CRITICALITY CODE JUSTIFICATION: MATT AND MDCL

•

STYLE DESIGNATOR: ONE PIECE

•

MATERIAL DOCUMENT AND CLASSIFICATION: UNION CARBIDE CORP,CARBON PRODUCTS DIV,GR SA-35 MFR REF SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

LENGTH	1.250 INCHES NOMINAL IN
BODY STYLE	RECTANGULAR COMMUTATOR
TERMINAL HOLE DIAMETER	0.344 INCHES NOMINAL IN
TOP STYLE	BEVELED FRONT WITH RIGHT SHOULDER
SHUNT POSITION DESIGNATOR	12
CRITICALITY CODE JUSTIFICATION	MATT AND MDCL
STYLE DESIGNATOR	ONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATION	UNION CARBIDE CORP,CARBON PRODUCTS DIV,GR SA-35 MFR REF SINGLE MATERIAL RESPONSE
ANGLE	40.0 DEGREES NOMINAL
BRUSH SHUNT LENGTH	3.000 INCHES NOMINAL SINGLE SHUNT IN

OTHER ITEMS IN FSC 5977 — Electrical Contact Brushes and Electrodes

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5977-00-001-8018 5977-00-001-8867 5977-00-002-9654 5977-00-003-0257 5977-00-003-0258 5977-00-003-0264 5977-00-003-1196 5977-00-003-1197

SUBSTITUTES & CROSS-REFERENCES 4

MILB3743Reference document

Same NSN cross-reference

Reference document — Identification reference

SP50399CL1Reference document

Same NSN cross-reference

Reference document — Secondary reference

ANSI/NEMA PUB NO. CB1Reference document

Same NSN cross-reference

Reference document — Secondary reference

RC12-4003Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SP50399?

SP50399 is a BRUSH,ELECTRICAL CONTACT.

What parts can replace SP50399?

There are 4 known substitutes for SP50399: MILB3743, SP50399CL1, ANSI/NEMA PUB NO. CB1 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for SP50399?

SP50399 is cataloged in the U.S. Government catalog under NSN 5977-00-246-3352. This indicates validated use in U.S. government and defense supply chains.

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