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PL-12731F18ITEM258A — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

PL-12731F18ITEM258A: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 625 OVERALL, nut_length: 3.910 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: LEFT-HAND, nominal_thread_size: 1.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-381-9669, 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
PL-12731F18ITEM258A
NSN: 5310-01-381-9669
FSC: 5310 — Nuts and Washers
CAGE: 88032 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialNICKEL ALLOY 625 OVERALL
nut_length3.910 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionLEFT-HAND
nominal_thread_size1.500 INCHES IN
thread_quantity_per_inch12
material_document_and_classificationASTMB446 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-381-9669
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PL-12731F18ITEM258A · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NUT LENGTH: 3.910 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMB446 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: LEFT-HAND
•
NOMINAL THREAD SIZE: 1.500 INCHES IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 12
•
MATERIAL: NICKEL ALLOY 625 OVERALL
TECHNICAL CHARACTERISTICS
NUT LENGTH3.910 INCHES NOMINAL IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONASTMB446 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONLEFT-HAND
NOMINAL THREAD SIZE1.500 INCHES IN
THREAD CLASS3B
THREAD QUANTITY PER INCH12
MATERIALNICKEL ALLOY 625 OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
12747C18Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 PL-12731F18ITEM258A?
PL-12731F18ITEM258A is a NUT,SLEEVE.
What parts can replace PL-12731F18ITEM258A?
There is 1 known substitute for PL-12731F18ITEM258A: 12747C18. Substitute compatibility should be verified for your specific system.
What is the NSN for PL-12731F18ITEM258A?
PL-12731F18ITEM258A is cataloged in the U.S. Government catalog under NSN 5310-01-381-9669. This indicates validated use in U.S. government and defense supply chains.
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