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2637505PC141 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2637505PC141: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FILLISTER, head_height: 0.186 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.715 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, thread_length: 0.295 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-256-6715, 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
2637505PC141
NSN: 5305-00-256-6715
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFILLISTER
head_height0.186 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.715 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
thread_length0.295 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length3.006 INCHES MINIMUM AND 3.091 INCHES MAXIMUM IN
shoulder_length2.505 INCHES MINIMUM AND 2.510 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5305-00-256-6715
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2637505PC141 · 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: 0.186 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.006 INCHES MINIMUM AND 3.091 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 2.505 INCHES MINIMUM AND 2.510 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.295 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.186 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN
FASTENER LENGTH3.006 INCHES MINIMUM AND 3.091 INCHES MAXIMUM IN
SHOULDER LENGTH2.505 INCHES MINIMUM AND 2.510 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.295 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEFILLISTER
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2637505PC141?
2637505PC141 is a SCREW,SHOULDER.
What is the NSN for 2637505PC141?
2637505PC141 is cataloged in the U.S. Government catalog under NSN 5305-00-256-6715. 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.