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359982 — CYLINDER HEAD,GASOLINE ENGINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

359982: 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 5310-00-621-1642, 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
359982
NSN: 5310-00-621-1642
NIINs: 006211642, 015881957
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
NSN5310-00-621-1642
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 359982 · 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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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 3.938 INCHES IN
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NUT DIAMETER: 4.380 INCHES NOMINAL IN
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NUT THICKNESS: 1.220 INCHES NOMINAL IN
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DRIVE POINT QUANTITY: 12
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
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE3.938 INCHES IN
NUT DIAMETER4.380 INCHES NOMINAL IN
NUT THICKNESS1.220 INCHES NOMINAL IN
DRIVE POINT QUANTITY12
THREAD CLASS3B
THREAD QUANTITY PER INCH16
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 359982?
359982 is a CYLINDER HEAD,GASOLINE ENGINE.
What is the NSN for 359982?
359982 is cataloged in the U.S. Government catalog under NSN 5310-00-621-1642. 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.