PartsTable
Technical Data Sheet
AN74A6 ✓ 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 ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2014 OVERALL, seat_angle: 37.0 DEGREES, thread_class: 3B INTERNAL, connection_style: PRESSURE SEAL FLARED, style_designator: CAP, TUBE, FLARED, thread_direction: RIGHT-HAND INTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-0420, 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
AN74A6
NSN: 5306-00-151-0420
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2014 OVERALL
seat_angle37.0 DEGREES
thread_class3B INTERNAL
connection_stylePRESSURE SEAL FLARED
style_designatorCAP, TUBE, FLARED
thread_directionRIGHT-HAND INTERNAL
surface_treatmentANODIZE OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
nominal_thread_size0.438 INCHES INTERNAL IN
end_item_identificationGRUMMAN AIRCRAFT,MODEL A-10
thread_series_designatorUNF INTERNAL
nondefinitive_spec/std_data32 FIGURE
NSN5306-00-151-0420
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN74A6 · 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
GRIP LENGTH: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
HEAD STYLE: HEXAGON
THREAD LENGTH: 0.501 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
HOLE QUANTITY: 6
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
THREAD LENGTH0.501 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
HOLE QUANTITY6
NOMINAL THREAD DIAMETER0.250 INCHES IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
18119Interchangeable
interchangeable cross-reference
interchangeable
FORENTA 18119Interchangeable
interchangeable cross-reference
interchangeable
118291Interchangeable
interchangeable cross-reference
interchangeable
10458723Interchangeable
interchangeable cross-reference
interchangeable
69-55718-1Interchangeable
interchangeable cross-reference
interchangeable
3112484Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN74A6?
AN74A6 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace AN74A6?
There are 21 known substitutes for AN74A6: 18119, FORENTA 18119, 118291 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN74A6?
AN74A6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-0420. This indicates validated use in U.S. government and defense supply chains.
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