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PartsTable / COMPONENT / 950833-3
950833-3 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include color: BLACK OVERALL, material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL, thickness: 0.017 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN, hole_diameter: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, overall_diameter: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, surface_treatment: OXIDE FILM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-194-3647, 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
950833-3
NSN: 5310-00-194-3647
FSC: 5310
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
thickness0.017 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
hole_diameter0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
overall_diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
surface_treatmentOXIDE FILM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND B CLASS
material_document_and_classificationAISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationMIL-C-13924,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-194-3647
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 950833-3 · 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
•
HOLE DIAMETER: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
THICKNESS: 0.017 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND B CLASS
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: BLACK OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT: OXIDE FILM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
THICKNESS0.017 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND B CLASS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORBLACK OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
218140Interchangeable
interchangeable cross-reference
interchangeable
74468072003Interchangeable
interchangeable cross-reference
interchangeable
A5-95Interchangeable
interchangeable cross-reference
interchangeable
15795-803BInterchangeable
Same NIIN cross-reference
interchangeable
MS15794-4Interchangeable
Same NIIN cross-reference
interchangeable
MS15795-803BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 950833-3?
950833-3 is a WASHER,FLAT.
What parts can replace 950833-3?
There are 12 known substitutes for 950833-3: 218140, 74468072003, A5-95 and 9 more. Substitute compatibility should be verified for your specific system.
Is 950833-3 still available?
950833-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026