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RB18977 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

RB18977: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2017 OVERALL, thread_class: 3A A, thread_length: 0.795 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN, fastener_length: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, surface_treatment: OXIDE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-236-1126, 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
RB18977
NSN: 5305-00-236-1126
FSC: 5305 — Screws
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2017 OVERALL
thread_class3A A
thread_length0.795 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN
fastener_length1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.526 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
surface_treatment_document_and_classificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5305-00-236-1126
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RB18977 · 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
•
FASTENER LENGTH: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.795 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.526 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: OXIDE OVERALL
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.795 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.526 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTOXIDE OVERALL
INTERNAL DRIVE STYLESLOT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS3A A
THREAD QUANTITY PER INCH32
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 RB18977?
RB18977 is a SETSCREW.
What is the NSN for RB18977?
RB18977 is cataloged in the U.S. Government catalog under NSN 5305-00-236-1126. This indicates validated use in U.S. government and defense supply chains.
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