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218399 — PLATE,WAFER,HYDRAULIC MOTOR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

218399: PLATE,WAFER,HYDRAULIC MOTOR.

The PLATE,WAFER,HYDRAULIC MOTOR is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-638-8842, 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
218399
NSN: 5310-00-638-8842
NIINs: 006388842, 007309865, 014978074
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationDIRECT VENDOR DELIVERY (DVD), MODEL XM1117, ARMORED SECURITY VEHICLE (ASV), NSN 2320-01-437-6957, CAGE 10237, P/N 216098, TM 9-2320-307-24P, CONTRACT DAAE07-99-C-S001
NSN5310-00-638-8842
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 218399 · 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: UN
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HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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DRIVE POINT WIDTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 3.000 INCHES IN
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NUT DIAMETER: 3.270 INCHES MINIMUM AND 3.290 INCHES MAXIMUM IN
•
DRIVE POINT DEPTH: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DRIVE POINT WIDTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE3.000 INCHES IN
NUT DIAMETER3.270 INCHES MINIMUM AND 3.290 INCHES MAXIMUM IN
DRIVE POINT DEPTH0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
NUT THICKNESS0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
COUNTERSINK ANGLE88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM NUT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· 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 218399?
218399 is a PLATE,WAFER,HYDRAULIC MOTOR.
What is the NSN for 218399?
218399 is cataloged in the U.S. Government catalog under NSN 5310-00-638-8842. 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.