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2JA3731H03 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2JA3731H03: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OVERALL, head_style: FILLISTER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.313 INCHES NOMINAL IN, thread_length: 0.188 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-079-5040, 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
2JA3731H03
NSN: 5305-00-079-5040
FSC: 5305 — Screws
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
head_styleFILLISTER
head_height0.125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.313 INCHES NOMINAL IN
thread_length0.188 INCHES MINIMUM IN
fastener_length0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.138 INCHES IN
first_diameter_from_head0.100 INCHES NOMINAL IN
NSN5305-00-079-5040
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2JA3731H03 · 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: 0.125 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.188 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.100 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD LENGTH0.188 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.100 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.437 INCHES NOMINAL IN
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2JA3731H03?
2JA3731H03 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 2JA3731H03?
2JA3731H03 is cataloged in the U.S. Government catalog under NSN 5305-00-079-5040. This indicates validated use in U.S. government and defense supply chains.
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