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1B7988 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1B7988: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 3A STUD THREAD A, head_diameter: 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, thread_length: 0.375 INCHES NOMINAL STUD THREAD IN, overall_length: 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN, locking_feature: SELF-CLINCHING HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-501-0113, 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
1B7988
NSN: 5307-01-501-0113
FSC: 5307 — Studs
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class3A STUD THREAD A
head_diameter0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
thread_length0.375 INCHES NOMINAL STUD THREAD IN
overall_length2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
locking_featureSELF-CLINCHING HEAD
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size0.375 INCHES STUD THREAD IN
supplementary_featuresMANUFACTURE IAW AS7475-1, T HEAD
end_item_identificationC-17 ENGINE
thread_quantity_per_inch24 STUD THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-01-501-0113
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1B7988 · 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 LENGTH: 0.375 INCHES NOMINAL STUD THREAD IN
•
SUPPLEMENTARY FEATURES: MANUFACTURE IAW AS7475-1, T HEAD
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
•
LOCKING FEATURE: SELF-CLINCHING HEAD
•
THREAD CLASS: 3A STUD THREAD A
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.375 INCHES NOMINAL STUD THREAD IN
SUPPLEMENTARY FEATURESMANUFACTURE IAW AS7475-1, T HEAD
OVERALL LENGTH2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
LOCKING FEATURESELF-CLINCHING HEAD
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,MACHINE
THREAD CLASS3A STUD THREAD A
END ITEM IDENTIFICATIONC-17 ENGINE
THREAD QUANTITY PER INCH24 STUD THREAD
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1B7988?
1B7988 is a STUD,SELF-LOCKING.
What is the NSN for 1B7988?
1B7988 is cataloged in the U.S. Government catalog under NSN 5307-01-501-0113. This indicates validated use in U.S. government and defense supply chains.
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