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4901-47 — 4901-47

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4901-47: 4901-47.

The 4901-47 is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.135 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.313 INCHES NOMINAL IN, thread_length: 0.510 INCHES MINIMUM IN, screw_material: IRON ALLOY 660. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-941-6637, 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
4901-47
NSN: 5305-00-941-6637
NIINs: 009416637, 011432234
FSC: 5305 — Screws
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.135 INCHES NOMINAL IN
thread_class3A A
head_diameter0.313 INCHES NOMINAL IN
thread_length0.510 INCHES MINIMUM IN
screw_materialIRON ALLOY 660
fastener_length0.510 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch32
NSN5305-00-941-6637
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4901-47 · 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 HEIGHT: 0.135 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.510 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.510 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.135 INCHES NOMINAL IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.510 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.510 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALIRON ALLOY 660
INTERNAL DRIVE STYLESLOT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4901-47?
4901-47 is a 4901-47.
What is the NSN for 4901-47?
4901-47 is cataloged in the U.S. Government catalog under NSN 5305-00-941-6637. 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.