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PartsTable / COMPONENT / 901955-05
901955-05 ✓ Verified by PartsTable
— · 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 PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.188 INCHES NOMINAL IN, material: STEEL COMP 410 OVERALL, overall_length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, surface_finish: 80.0 MICROINCHES OUTSIDE DIAMETER, style_designator: SLOTTED, material_thickness: 0.040 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-019-9306, 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
901955-05
NSN: 5315-01-019-9306
FSC: 5315
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
diameter0.188 INCHES NOMINAL IN
materialSTEEL COMP 410 OVERALL
overall_length0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
surface_finish80.0 MICROINCHES OUTSIDE DIAMETER
style_designatorSLOTTED
material_thickness0.040 INCHES NOMINAL IN
material_document_and_classificationAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-019-9306
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 901955-05 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE FINISH: 80.0 MICROINCHES OUTSIDE DIAMETER
•
MATERIAL: STEEL COMP 410 OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
DIAMETER: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH80.0 MICROINCHES OUTSIDE DIAMETER
MATERIALSTEEL COMP 410 OVERALL
STYLE DESIGNATORSLOTTED
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
DIAMETER0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
NAS56156-12Interchangeable
interchangeable cross-reference
interchangeable
0495-110Interchangeable
interchangeable cross-reference
interchangeable
915989Interchangeable
interchangeable cross-reference
interchangeable
MS171590Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 901955-05?
901955-05 is a PIN,SPRING.
What parts can replace 901955-05?
There are 4 known substitutes for 901955-05: NAS56156-12, 0495-110, 915989 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 901955-05?
901955-05 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-019-9306. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026