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733988PC4 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

733988PC4: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1045 OVERALL, thickness: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, hardness_rating: 42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM, overall_diameter: 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN, special_features: DIAMETER 1.563 IN. MIN.,1.568 IN.

MAX. IN, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-210-1906, 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
733988PC4
NSN: 5310-00-210-1906
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1045 OVERALL
thickness0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
hardness_rating42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
overall_diameter1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
special_featuresDIAMETER 1.563 IN. MIN.,1.568 IN. MAX. IN
surface_treatmentPHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationMIL-C-16232 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-210-1906
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 733988PC4 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-16232 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
•
HARDNESS RATING: 42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16232 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESDIAMETER 1.563 IN. MIN.,1.568 IN. MAX. IN
SURFACE TREATMENTPHOSPHATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1010 OR STEEL COMP 1045 OVERALL
CENTER HOLE SHAPE STYLEROUND
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 733988PC4?
733988PC4 is a WASHER,FLAT.
What is the NSN for 733988PC4?
733988PC4 is cataloged in the U.S. Government catalog under NSN 5310-00-210-1906. This indicates validated use in U.S. government and defense supply chains.
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