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5135246 — PISTON,OVERSPEED VALVE,GOVERNOR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5135246: PISTON,OVERSPEED VALVE,GOVERNOR.

PISTON,OVERSPEED VALVE,GOVERNOR. Key specifications include end_item_identification: ENGINE,DIESEL,V-71 SERIES. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-513-5246, 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
5135246
NSN: 5315-00-513-5246
NIINs: 005135246, 011841090
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
end_item_identificationENGINE,DIESEL,V-71 SERIES
NSN5315-00-513-5246
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5135246 · 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
•
UNDER HEAD LENGTH: 0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
•
HEAD COUNTERSINK ANGLE: 60.0 DEGREES NOMINAL
•
HARDNESS RATING: 50.0 ROCKWELL D MINIMUM AND 55.0 ROCKWELL D MAXIMUM OVERALL
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STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.126 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.0935 INCHES MINIMUM AND 0.0945 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT COUNTERSUNK (INCLUDED ANGLE LESS THAN 135 DEG)
TECHNICAL CHARACTERISTICS
UNDER HEAD LENGTH0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
HEAD COUNTERSINK ANGLE60.0 DEGREES NOMINAL
HARDNESS RATING50.0 ROCKWELL D MINIMUM AND 55.0 ROCKWELL D MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.126 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.0935 INCHES MINIMUM AND 0.0945 INCHES MAXIMUM IN
HEAD STYLEFLAT COUNTERSUNK (INCLUDED ANGLE LESS THAN 135 DEG)
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP 1095 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
5315005135246Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5135246?
5135246 is a PISTON,OVERSPEED VALVE,GOVERNOR.
What parts can replace 5135246?
There is 1 known substitute for 5135246: 5315005135246. Substitute compatibility should be verified for your specific system.
What is the NSN for 5135246?
5135246 is cataloged in the U.S. Government catalog under NSN 5315-00-513-5246. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.