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950833-29 — 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 348 OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN, overall_diameter: 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN, surface_treatment: OXIDE FILM OVERALL, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-00-890-3423, 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
950833-29
NSN: 5310-00-890-3423
FSC: 5310
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 348 OVERALL
thickness0.032 INCHES NOMINAL IN
hole_diameter0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
overall_diameter0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
surface_treatmentOXIDE FILM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-766 COND A FINISH 2D OR 2B FED SPEC ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-890-3423
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 950833-29 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: BLACK OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 COND A FINISH 2D OR 2B FED SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 348 OVERALL
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
•
THICKNESS: 0.032 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORBLACK OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 COND A FINISH 2D OR 2B FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 301 OR STEEL COMP 348 OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
THICKNESS0.032 INCHES NOMINAL IN
HOLE DIAMETER0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
NAS620C-6CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
021.450536InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
153-0103-019InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10340276InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
WC1057-29InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
5310PL1672926InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 950833-29?
950833-29 is a WASHER,FLAT.
What parts can replace 950833-29?
There are 6 known substitutes for 950833-29: NAS620C-6C, 021.450536, 153-0103-019 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 950833-29?
950833-29 is cataloged in the Federal Logistics Information System under NSN 5310-00-890-3423. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026