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359981 — CYLINDER HEAD,GASOLINE ENGINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

359981: CYLINDER HEAD,GASOLINE ENGINE.

The CYLINDER HEAD,GASOLINE ENGINE is a the manufacturer industrial component. Key specifications include special_features: GEN. SET, GAS, 16HP, 7.3 KW, 120VAC, 60HZ VAC, end_item_identification: GENERATOR SET, part_name_assigned_by_controlling_agency: HEAD, CYLINDER.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-620-9040, 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
359981
NSN: 5310-00-620-9040
NIINs: 006209040, 013257179, 015881955
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
special_featuresGEN. SET, GAS, 16HP, 7.3 KW, 120VAC, 60HZ VAC
end_item_identificationGENERATOR SET
part_name_assigned_by_controlling_agencyHEAD, CYLINDER
NSN5310-00-620-9040
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 359981 · 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
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THREAD SERIES: UNJS
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HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS6323 ASSN STD 2ND MATERIAL RESPONSE OVERALL
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DRIVE POINT WIDTH: 0.375 INCHES NOMINAL IN
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 3.938 INCHES IN
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NUT DIAMETER: 4.550 INCHES NOMINAL IN
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DRIVE POINT DEPTH: 0.165 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNJS
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS6323 ASSN STD 2ND MATERIAL RESPONSE OVERALL
DRIVE POINT WIDTH0.375 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE3.938 INCHES IN
NUT DIAMETER4.550 INCHES NOMINAL IN
DRIVE POINT DEPTH0.165 INCHES NOMINAL IN
NUT THICKNESS1.220 INCHES NOMINAL IN
DRIVE POINT QUANTITY12
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 359981?
359981 is a CYLINDER HEAD,GASOLINE ENGINE.
What is the NSN for 359981?
359981 is cataloged in the U.S. Government catalog under NSN 5310-00-620-9040. This indicates validated use in U.S. government and defense supply chains.
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