PartsTable
Technical Data Sheet
421635 ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.500 INCHES NOMINAL IN, length: 1.000 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, thickness: 0.375 INCHES NOMINAL IN, top_style: FLAT WITH RIGHT EDGE BEVELED, body_style: RECTANGULAR COMMUTATOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-050-9230, 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
421635
NSN: 5305-00-050-9230
FSC: 5305
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
width0.500 INCHES NOMINAL IN
length1.000 INCHES NOMINAL IN
materialELECTROGRAPHITIC
thickness0.375 INCHES NOMINAL IN
top_styleFLAT WITH RIGHT EDGE BEVELED
body_styleRECTANGULAR COMMUTATOR
head_stylePAN
bevel_depth0.052 INCHES NOMINAL IN
head_height0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
bevel_length0.052 INCHES NOMINAL IN
thread_class2A A
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
NSN5305-00-050-9230
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 421635 · 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
HEAD STYLE: PAN
THREAD DIRECTION: RIGHT-HAND
HEAD DIAMETER: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH: 24
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
HEAD DIAMETER0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH24
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 9C STYLE
SCREW SURFACE TREATMENTPASSIVATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
AN520C10R14Interchangeable
interchangeable cross-reference
interchangeable
MS35234-66Interchangeable
interchangeable cross-reference
interchangeable
724-990056-157Interchangeable
interchangeable cross-reference
interchangeable
SCPP104CP20Interchangeable
interchangeable cross-reference
interchangeable
MS35216-56Interchangeable
interchangeable cross-reference
interchangeable
42163-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 421635?
421635 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 421635?
There are 19 known substitutes for 421635: AN520C10R14, MS35234-66, 724-990056-157 and 16 more. Substitute compatibility should be verified for your specific system.
Is 421635 still available?
421635 is currently cancelled.
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