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71330183-001 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

71330183-001: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, thickness: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, hole_diameter: 0.331 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES ALL SURFACES, overall_diameter: 0.875 INCHES NOMINAL IN, surface_treatment: NICKEL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-168-7741, 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
71330183-001
NSN: 5310-01-168-7741
FSC: 5310 — Nuts and Washers
CAGE: 04939 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
thickness0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
hole_diameter0.331 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES ALL SURFACES
overall_diameter0.875 INCHES NOMINAL IN
special_features2 HOLES 0.062 IN. MIN AND 0.064 IN. MAX 180.0 DEGREES APART LOCATED ON A 0.625 IN. DIA BOLT CIRCLE AND FREE OF SURFACE TREATMENT IN
surface_treatmentNICKEL OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleBLANK RECTANGULAR
outside_left_corner_chamfer_angle45.0 DEGREES NOMINAL
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-168-7741
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 71330183-001 · 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 FINISH: 63.0 MICROINCHES ALL SURFACES
•
OUTSIDE LEFT CORNER CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-26074 CLASS 2,GRADE A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.875 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: BLANK RECTANGULAR
•
SURFACE TREATMENT: NICKEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
OUTSIDE LEFT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-26074 CLASS 2,GRADE A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEBLANK RECTANGULAR
SPECIAL FEATURES2 HOLES 0.062 IN. MIN AND 0.064 IN. MAX 180.0 DEGREES APART LOCATED ON A 0.625 IN. DIA BOLT CIRCLE AND FREE OF SURFACE TREATMENT IN
SURFACE TREATMENTNICKEL OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 630 OVERALL
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 71330183-001?
71330183-001 is a WASHER,FLAT.
What is the NSN for 71330183-001?
71330183-001 is cataloged in the U.S. Government catalog under NSN 5310-01-168-7741. This indicates validated use in U.S. government and defense supply chains.
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