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324128 — 324128

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

324128: 324128.

The 324128 is a the manufacturer industrial component. Key specifications include component_document_origin: INDUSTRIAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-052-6954, 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
MRO→ MRO_GENERAL→ 324128
NSN: 5310-00-052-6954
NIINs: 000526954, 001532255, 004513992, 012264451
FSC: 5310 — Nuts and Washers
CAGE: 82106 — PARKER-HANNIFIN CORPORATION DBA CONTROL SYSTEMS DIVISION (USA)
SPECIFICATIONS
component_document_originINDUSTRIAL
NSN5310-00-052-6954
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 324128 · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.058 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.244 INCHES NOMINAL IN
•
HEAT TREATMENT: O-ANNEALED, RECRYSTALLIZED
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.940 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.058 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.244 INCHES NOMINAL IN
HEAT TREATMENTO-ANNEALED, RECRYSTALLIZED
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.940 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 1100 OVERALL
INTERNAL KEY QUANTITY1
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 324128?
324128 is a 324128. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 324128?
324128 is cataloged in the U.S. Government catalog under NSN 5310-00-052-6954. 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.