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424945-01 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

424945-01: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_length: 0.190 INCHES MINIMUM IN, fastener_length: 0.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-902-8103, 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
424945-01
NSN: 5305-00-902-8103
FSC: 5305 — Screws
CAGE: 07690 — BAE SYSTEMS CONTROLS INC (USA)
SPECIFICATIONS
head_stylePAN
head_height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_length0.190 INCHES MINIMUM IN
fastener_length0.380 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-902-8103
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 424945-01 · 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: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.380 INCHES NOMINAL IN
•
THREAD LENGTH: 0.190 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: PAN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
FASTENER LENGTH0.380 INCHES NOMINAL IN
THREAD LENGTH0.190 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEPAN
SURFACE TREATMENTPASSIVATE OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS2A A
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 424945-01?
424945-01 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 424945-01?
424945-01 is cataloged in the U.S. Government catalog under NSN 5305-00-902-8103. 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.