PartsTable
Technical Data Sheet
509441-88 ✓ 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 OVERALL, head_style: FLAT CHAMFER, head_height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_length: 0.869 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-983-7455, 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
509441-88
NSN: 5305-00-983-7455
FSC: 5305
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_length0.869 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
fastener_length0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5305-00-983-7455
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 509441-88 · 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: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
THREAD DIRECTION: RIGHT-HAND
HEAD STYLE: FLAT CHAMFER
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
THREAD SERIES DESIGNATOR: UNF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM YIELD STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEFLAT CHAMFER
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD SERIES DESIGNATORUNF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM YIELD STRENGTH150000 POUNDS PER SQUARE INCH LBS
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA6 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
80728Interchangeable
interchangeable cross-reference
interchangeable
710241Interchangeable
interchangeable cross-reference
interchangeable
CS1341Interchangeable
interchangeable cross-reference
interchangeable
5035M94P01Interchangeable
interchangeable cross-reference
interchangeable
5-1-4172Interchangeable
interchangeable cross-reference
interchangeable
71024/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 509441-88?
509441-88 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 509441-88?
There are 11 known substitutes for 509441-88: 80728, 710241, CS1341 and 8 more. Substitute compatibility should be verified for your specific system.
Is 509441-88 still available?
509441-88 is currently cancelled.
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