PartsTable
Technical Data Sheet
856838-00 ✓ 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: 0.250 INCHES NOMINAL IN, material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OVERALL, overall_length: 2.750 INCHES NOMINAL IN, hardness_rating: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-058-9817, 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
856838-00
NSN: 5315-00-058-9817
FSC: 5315
CAGE: 32345 — DEFENSE REDUCTION AGENCY (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OVERALL
overall_length2.750 INCHES NOMINAL IN
hardness_rating43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
surface_treatmentPASSIVATE OVERALL
material_thickness0.048 INCHES NOMINAL IN
nondefinitive_spec/std_data1 TYPE AND B COMPOSITION
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-058-9817
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 856838-00 · 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
DIAMETER: 0.250 INCHES NOMINAL IN
MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OVERALL
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND B COMPOSITION
MATERIAL THICKNESS: 0.048 INCHES NOMINAL IN
STYLE DESIGNATOR: SLOTTED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.250 INCHES NOMINAL IN
OVERALL LENGTH2.750 INCHES NOMINAL IN
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND B COMPOSITION
MATERIAL THICKNESS0.048 INCHES NOMINAL IN
STYLE DESIGNATORSLOTTED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
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LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 856838-00?
856838-00 is a PIN,SPRING.
What parts can replace 856838-00?
There are 10 known substitutes for 856838-00: 26597, 250741, ERF4960 and 7 more. Substitute compatibility should be verified for your specific system.
Is 856838-00 still available?
856838-00 is currently cancelled.
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