PartsTable
Technical Data Sheet
A-403 ✓ 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 BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET (PIPE) ALL ENDS, style_designator: PLAIN, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, end_item_identification: NAVAL SEA SYSTEMS COMMAND, EXT HYDR SYS INSTL ARR COC-L/M, PLAN, EL, & SECT THINLINE TOWED ARRAY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-018-1313, 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
A-403
NSN: 5305-00-018-1313
FSC: 5305
CAGE: 97907 — TEREX CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET (PIPE) ALL ENDS
style_designatorPLAIN
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
end_item_identificationNAVAL SEA SYSTEMS COMMAND, EXT HYDR SYS INSTL ARR COC-L/M, PLAN, EL, & SECT THINLINE TOWED ARRAY
nondefinitive_spec/std_data80 SCHEDULE
specification/standard_data80204-ANSI B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81346-ASTM-A403 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nominal_pipe_size_accommodated1.000 INCHES ALL ENDS IN
pipe_wall_thickness_designation_for_which_designedSCHEDULE 80 ALL ENDS
NSN5305-00-018-1313
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A-403 · 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
THREAD DIRECTION: RIGHT-HAND
THREAD CLASS: 2A A
HEAD HEIGHT: 0.156 INCHES NOMINAL IN
THREAD SERIES DESIGNATOR: UNF
MINIMUM YIELD STRENGTH: 85000 POUNDS PER SQUARE INCH LBS
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL: STEEL OVERALL
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE AND 5 GRADE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
HEAD HEIGHT0.156 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 5 GRADE
NOMINAL THREAD DIAMETER0.250 INCHES IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
A403Interchangeable
interchangeable cross-reference
interchangeable
MILB5687Interchangeable
interchangeable cross-reference
interchangeable
938583Interchangeable
interchangeable cross-reference
interchangeable
BLS4R03NInterchangeable
interchangeable cross-reference
interchangeable
ND6487PC883Interchangeable
interchangeable cross-reference
interchangeable
365055Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-403?
A-403 is a BEARING,SLEEVE.
What parts can replace A-403?
There are 22 known substitutes for A-403: A403, MILB5687, 938583 and 19 more. Substitute compatibility should be verified for your specific system.
Is A-403 still available?
A-403 is currently cancelled.
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