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877765-00 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

877765-00: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.218 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, thread_length: 0.101 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN, fastener_length: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-144-0344, 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
877765-00
NSN: 5305-00-144-0344
FSC: 5305 — Screws
CAGE: 32345 — DEFENSE REDUCTION AGENCY (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.218 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
thread_length0.101 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
fastener_length0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
hardness_rating80.0 ROCKWELL B MINIMUM OVERALL
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
width_across_flats0.063 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-00-144-0344
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 877765-00 · 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: 0.063 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.101 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 ROCKWELL B MINIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.063 INCHES NOMINAL IN
FASTENER LENGTH0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.101 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA4 TYPE
SUBSTITUTES & CROSS-REFERENCES 2
FFS86Reference document
Same NSN cross-reference
Reference document — Identification reference
MS24671-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 877765-00?
877765-00 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 877765-00?
There are 2 known substitutes for 877765-00: FFS86, MS24671-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 877765-00?
877765-00 is cataloged in the U.S. Government catalog under NSN 5305-00-144-0344. This indicates validated use in U.S. government and defense supply chains.
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