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1609900PC77 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1609900PC77: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.977 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-282-7501, 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
1609900PC77
NSN: 5305-01-282-7501
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_styleFLAT CHAMFER
head_height0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.977 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity6
thread_length0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.375 INCHES NOMINAL IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
NSN5305-01-282-7501
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1609900PC77 · 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
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.375 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
FASTENER LENGTH2.375 INCHES NOMINAL IN
SHOULDER LENGTH1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1609900PC77?
1609900PC77 is a SCREW,SHOULDER.
What is the NSN for 1609900PC77?
1609900PC77 is cataloged in the U.S. Government catalog under NSN 5305-01-282-7501. 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.