PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 122-5277656 ITEM 24
122-5277656 ITEM 24 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

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 CHAMFER, head_height: 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN, thread_length: 0.609 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-988-7838, 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
122-5277656 ITEM 24
NSN: 5305-00-988-7838
FSC: 5305
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
head_styleFLAT CHAMFER
head_height0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
thread_length0.609 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
fastener_length0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
hardness_rating80.0 ROCKWELL B MINIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5305-00-988-7838
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 122-5277656 ITEM 24 · 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 DIAMETER: 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MINIMUM YIELD STRENGTH: 30000 POUNDS PER SQUARE INCH LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH LBS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.312 INCHES IN
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
THREAD QUANTITY PER INCH18
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
7-54-030Interchangeable
interchangeable cross-reference
interchangeable
A7474Interchangeable
interchangeable cross-reference
interchangeable
MS16995-64Interchangeable
Same NIIN cross-reference
interchangeable
ASC1537064Interchangeable
Same NIIN cross-reference
interchangeable
003-007868-064Interchangeable
Same NIIN cross-reference
interchangeable
FF-S-86Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 122-5277656 ITEM 24?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 122-5277656 ITEM 24?
122-5277656 ITEM 24 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 122-5277656 ITEM 24?
There are 6 known substitutes for 122-5277656 ITEM 24: 7-54-030, A7474, MS16995-64 and 3 more. Substitute compatibility should be verified for your specific system.
Is 122-5277656 ITEM 24 still available?
122-5277656 ITEM 24 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 122-5277656 ITEM 24

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026