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B372018L4 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B372018L4: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.540 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, insert_size: 3/8 INCH DIAMETER IN, thread_class: 2A A, thread_length: 0.540 INCHES NOMINAL IN, flange_diameter: 0.325 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-034-3035, 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
B372018L4
NSN: 5325-01-034-3035
FSC: 5325 — Fastening Devices
CAGE: K0378 — ROLLS-ROYCE PLC DIV DEFENSE (EUROPE) (GBR)
SPECIFICATIONS
length0.540 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
insert_size3/8 INCH DIAMETER IN
thread_class2A A
thread_length0.540 INCHES NOMINAL IN
flange_diameter0.325 INCHES NOMINAL IN
special_featuresINTERNAL THREAD: 1/4-28UNF-2B
style_designatorKEYLOCK
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.3772 INCHES IN
end_item_identificationF-402-RR-401 ENGINE
NSN5325-01-034-3035
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B372018L4 · 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
•
FLANGE DIAMETER: 0.325 INCHES NOMINAL IN
•
LENGTH: 0.540 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: TN1006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.540 INCHES NOMINAL IN
•
INSERT SIZE: 3/8 INCH DIAMETER IN
•
STYLE DESIGNATOR: KEYLOCK
•
MATERIAL DOCUMENT AND CLASSIFICATION: BS247 OR BS251 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.325 INCHES NOMINAL IN
LENGTH0.540 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTN1006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.540 INCHES NOMINAL IN
INSERT SIZE3/8 INCH DIAMETER IN
STYLE DESIGNATORKEYLOCK
MATERIAL DOCUMENT AND CLASSIFICATIONBS247 OR BS251 MFR REF SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.3772 INCHES IN
TOP UNTHREADED PORTION OUTSIDE DIAMETER0.325 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B372018L4?
B372018L4 is a INSERT,SCREW THREAD.
What is the NSN for B372018L4?
B372018L4 is cataloged in the U.S. Government catalog under NSN 5325-01-034-3035. This indicates validated use in U.S. government and defense supply chains.
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