A-502 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A-502: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include material: RUBBER, inside_radius: 0.016 INCHES NOMINAL IN, outside_radius: 0.047 INCHES NOMINAL IN, overall_height: 0.438 INCHES NOMINAL IN, first_slot/groove_depth: 0.406 INCHES NOMINAL IN, left_side_flange_height: 0.391 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 9390-00-004-4540, 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

A-502

NSN: 9390-00-004-4540
NIINs: 000044540, 003595763, 003948584, 005046496, 013202729
FSC: 9390 — Miscellaneous Fabricated Nonmetallic Materials
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)

SPECIFICATIONS

material	RUBBER
inside_radius	0.016 INCHES NOMINAL IN
outside_radius	0.047 INCHES NOMINAL IN
overall_height	0.438 INCHES NOMINAL IN
first_slot/groove_depth	0.406 INCHES NOMINAL IN
left_side_flange_height	0.391 INCHES NOMINAL IN
environmental_protection	OIL RESISTANT
right_side_flange_height	0.391 INCHES NOMINAL IN
left-side_flange_tip_style	LEFT SQUARE END
left_side_flange_thickness	0.031 INCHES NOMINAL IN
cross-sectional_shape_style	OPEN CHANNEL WITH ROUND BASE
nondefinitive_spec/std_data	I TYPE AND 1 CLASS
NSN	9390-00-004-4540

COMPONENT DIAGRAM

KEY FEATURES

•

LEFT SIDE FLANGE HEIGHT: 0.391 INCHES NOMINAL IN

•

LEFT-SIDE FLANGE TIP STYLE: LEFT SQUARE END

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-1149, TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: OPEN CHANNEL WITH ROUND BASE

•

LEFT SIDE FLANGE THICKNESS: 0.031 INCHES NOMINAL IN

•

RIGHT SIDE FLANGE HEIGHT: 0.391 INCHES NOMINAL IN

•

RIGHT SIDE FLANGE THICKNESS: 0.031 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.438 INCHES NOMINAL IN
LEFT SIDE FLANGE HEIGHT	0.391 INCHES NOMINAL IN
LEFT-SIDE FLANGE TIP STYLE	LEFT SQUARE END
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-1149, TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	OPEN CHANNEL WITH ROUND BASE
LEFT SIDE FLANGE THICKNESS	0.031 INCHES NOMINAL IN
RIGHT SIDE FLANGE HEIGHT	0.391 INCHES NOMINAL IN
RIGHT SIDE FLANGE THICKNESS	0.031 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA	I TYPE AND 1 CLASS
OUTSIDE RADIUS	0.047 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

CH274Reference document

Same NSN cross-reference

Reference document — Secondary reference

MILG1149Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A-502?

A-502 is a BRUSH,ELECTRICAL CONTACT.

What parts can replace A-502?

There are 2 known substitutes for A-502: CH274, MILG1149. Substitute compatibility should be verified for your specific system.

What is the NSN for A-502?

A-502 is cataloged in the U.S. Government catalog under NSN 9390-00-004-4540. This indicates validated use in U.S. government and defense supply chains.

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