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Technical Data Sheet
PartsTable / COMPONENT / AT1-1-4PLUG
AT1-1-4PLUG ✓ 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 PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, body_type: CORED, head_type: SOLID, core_depth: 0.580 INCHES NOMINAL IN, head_style: DEE, head_height: 0.190 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-815-8014, 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
AT1-1-4PLUG
NSN: 5306-00-815-8014
FSC: 5306
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
body_typeCORED
head_typeSOLID
core_depth0.580 INCHES NOMINAL IN
head_styleDEE
head_height0.190 INCHES NOMINAL IN
thread_class3A A
head_diameter0.700 INCHES NOMINAL IN
thread_length0.260 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
drive_end_styleRAISED SQUARE
fastener_length1.450 INCHES NOMINAL IN
connection_stylePLAIN
NSN5306-00-815-8014
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AT1-1-4PLUG · 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: 0.190 INCHES NOMINAL IN
•
HEAD STYLE: DEE
•
SHANK UNTHREADED HOLE DIAMETER: 0.078 INCHES NOMINAL FIRST HOLE IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.090 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 1.050 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
FIRST DIAMETER FROM HEAD: 0.300 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
•
THIRD DIAMETER FROM HEAD: 0.186 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.190 INCHES NOMINAL IN
HEAD STYLEDEE
SHANK UNTHREADED HOLE DIAMETER0.078 INCHES NOMINAL FIRST HOLE IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.090 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.050 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
FIRST DIAMETER FROM HEAD0.300 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN
THIRD DIAMETER FROM HEAD0.186 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
SECOND DIAMETER FROM HEAD0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
WWP471TYPE2Interchangeable
interchangeable cross-reference
interchangeable
AT1-1-4PLUGInterchangeable
interchangeable cross-reference
interchangeable
MS51884-13HInterchangeable
interchangeable cross-reference
interchangeable
AT-1-1/4PLUGInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AT1-1-4PLUG?
AT1-1-4PLUG is a PLUG,PIPE.
What parts can replace AT1-1-4PLUG?
There are 4 known substitutes for AT1-1-4PLUG: WWP471TYPE2, AT1-1-4PLUG, MS51884-13H and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AT1-1-4PLUG?
AT1-1-4PLUG is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-815-8014. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026