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Technical Data Sheet
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901372-01 — Technical Data Sheet

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— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PAPER OVERALL, hole_diameter: 0.140 INCHES NOMINAL IN, shoulder_height: 0.030 INCHES NOMINAL IN, outside_diameter: 0.320 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 0.180 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-582-6643, 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
901372-01
NSN: 5310-00-582-6643
FSC: 5310
CAGE: 90536 — LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN (USA)
SPECIFICATIONS
materialPAPER OVERALL
hole_diameter0.140 INCHES NOMINAL IN
shoulder_height0.030 INCHES NOMINAL IN
outside_diameter0.320 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.180 INCHES NOMINAL IN
material_thickness0.063 INCHES NOMINAL IN
NSN5310-00-582-6643
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 901372-01 · 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
•
STYLE DESIGNATOR: SHOULDERED
•
HOLE DIAMETER: 0.140 INCHES NOMINAL IN
•
MATERIAL: PAPER OVERALL
•
OUTSIDE DIAMETER: 0.320 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.180 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
•
SHOULDER HEIGHT: 0.030 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSHOULDERED
HOLE DIAMETER0.140 INCHES NOMINAL IN
MATERIALPAPER OVERALL
OUTSIDE DIAMETER0.320 INCHES NOMINAL IN
SHOULDER DIAMETER0.180 INCHES NOMINAL IN
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
SHOULDER HEIGHT0.030 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5214539InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7770222InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2208B204InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
34-326InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
15-2045InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5867152045InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 901372-01?
901372-01 is a WASHER,SHOULDERED.
What parts can replace 901372-01?
There are 10 known substitutes for 901372-01: 5214539, 7770222, 2208B204 and 7 more. Substitute compatibility should be verified for your specific system.
Is 901372-01 still available?
901372-01 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: October 2026