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523 — RESISTOR,VARIABLE,WIRE WOUND,NON

✓ Government record, cited
Thule · MRO · MRO_GENERAL
PRODUCT OVERVIEW

523: RESISTOR,VARIABLE,WIRE WOUND,NON.

Two 15-foot heavy-duty straps with cam-action buckles secure heavy loads while our patented buckle bumpers help to prevent vehicle scratches and dings. Key specifications include special_features: RED VYNIL GRIP, AUTOMATIC HOLD OPEN ARM, COMPRESSION SPRING ASSIST, part_name_assigned_by_controlling_agency: KIT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-146-0775, 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
MRO→ MRO_GENERAL→ 523
NSN: 5310-00-146-0775
NIINs: 001460775, 001519140, 002259197, 002330773, 002638736, 003543188, 003916406, 004122494, 004257948, 004483724, 004737701, 006314715, 006320565, 006793030, 007126422, 008527487, 008596596, 008970247, 009305679, 009901822, 010041981, 010586644, 010629631, 011967958, 012020112, 012727632, 012969172, 014062953, 014504787, 014506448, 016131810, 016952201, 017278144
FSC: 5310 — Nuts and Washers
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
special_featuresRED VYNIL GRIP, AUTOMATIC HOLD OPEN ARM, COMPRESSION SPRING ASSIST
part_name_assigned_by_controlling_agencyKIT
NSN5310-00-146-0775
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 523 · Thule ⚠ 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
•
WIDTH ACROSS FLATS: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
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THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT HEIGHT: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT HEIGHT0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLESLOTTED, HEXAGON
THREAD CLASS3B
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 523?
523 is a RESISTOR,VARIABLE,WIRE WOUND,NON manufactured by Thule. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 523?
523 is cataloged in the U.S. Government catalog under NSN 5310-00-146-0775. This indicates validated use in U.S. government and defense supply chains.
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