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557518 — ADJUSTING SCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

557518: ADJUSTING SCREW.

The ADJUSTING SCREW is a the manufacturer industrial component. Key specifications include length: 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN, material: STEEL COMP 303 OVERALL, insert_size: 0.750-16, flange_thickness: 0.200 INCHES NOMINAL IN, style_designator: FLANGE, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-435-6218, 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
557518
NSN: 5325-00-435-6218
NIINs: 004356218, 009189020
FSC: 5325 — Fastening Devices
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
length0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
materialSTEEL COMP 303 OVERALL
insert_size0.750-16
flange_thickness0.200 INCHES NOMINAL IN
style_designatorFLANGE
surface_treatmentCADMIUM OVERALL
width_across_flats0.990 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
nominal_thread_size0.562 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNF
material_document_and_classificationAMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5325-00-435-6218
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 557518 · 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
•
WIDTH ACROSS FLATS: 0.990 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
•
LENGTH: 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE THICKNESS: 0.200 INCHES NOMINAL IN
•
INSERT SIZE: 0.750-16
•
STYLE DESIGNATOR: FLANGE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.562 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.990 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
LENGTH0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
FLANGE THICKNESS0.200 INCHES NOMINAL IN
INSERT SIZE0.750-16
STYLE DESIGNATORFLANGE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.562 INCHES IN
SURFACE TREATMENTCADMIUM OVERALL
THREAD QUANTITY PER INCH18
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 557518?
557518 is a ADJUSTING SCREW.
What is the NSN for 557518?
557518 is cataloged in the U.S. Government catalog under NSN 5325-00-435-6218. This indicates validated use in U.S. government and defense supply chains.
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