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51650-8 — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

51650-8: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include thickness: 0.400 INCHES NOMINAL IN, cross-sectional_shape_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-395-6734, 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
51650-8
NSN: 5310-01-395-6734
NIINs: 013956734, 015664837
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
thickness0.400 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-395-6734
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 51650-8 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.400 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51650-8?
51650-8 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What is the NSN for 51650-8?
51650-8 is cataloged in the U.S. Government catalog under NSN 5310-01-395-6734. 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.