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540625 — INNER TUBE,PNEUMATIC TIRE,VEHICU

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

540625: INNER TUBE,PNEUMATIC TIRE,VEHICU.

INNER TUBE,PNEUMATIC TIRE,VEHICU. Key specifications include shape: ROUND, material: GLASS LENS, lens_color: CREAM, mounting_method: SCREW, special_features: INCLUDES 2 10W LIGHT BULBS; 1 CLEAR AND 1 RED; LENS DIAMETER: 4.625 W, lens_transparency: TRANSLUCENT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-168-2978, 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
540625
NSN: 5310-00-168-2978
NIINs: 001682978, 015280222, 015669270
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
shapeROUND
materialGLASS LENS
lens_colorCREAM
mounting_methodSCREW
special_featuresINCLUDES 2 10W LIGHT BULBS; 1 CLEAR AND 1 RED; LENS DIAMETER: 4.625 W
lens_transparencyTRANSLUCENT
lens_surface_conditionRIBBED FACE
lens_type_and_quantity1 CONVEX, SEMI-DOME
end_item_identificationBOAT
voltage_rating_in_volts12.0 DC NOMINAL
terminal_type_and_quantity2 WIRE LEAD
lamp_type_accommodated_and_quantity2 XENON
NSN5310-00-168-2978
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 540625 · 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
•
WIDTH ACROSS FLATS: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT0.188 INCHES MAXIMUM IN
SURFACE TREATMENTSILVER OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
661640Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H49044-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310PL0633370Reference document
Same NSN cross-reference
Reference document — Informative reference only
661641Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
H31-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
661642Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 540625?
540625 is a INNER TUBE,PNEUMATIC TIRE,VEHICU.
What parts can replace 540625?
There are 6 known substitutes for 540625: 661640, H49044-3, 5310PL0633370 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 540625?
540625 is cataloged in the U.S. Government catalog under NSN 5310-00-168-2978. This indicates validated use in U.S. government and defense supply chains.
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