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8197421-1 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8197421-1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 0.540 INCHES NOMINAL IN, overall_diameter: 1.250 INCHES NOMINAL IN, surface_treatment: ANODIZE OVERALL, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-567-6079, 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
8197421-1
NSN: 5310-01-567-6079
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
thickness0.125 INCHES NOMINAL IN
hole_diameter0.540 INCHES NOMINAL IN
overall_diameter1.250 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationCAPTURE SPINE
inside_left_corner_chamfer_angle82.0 DEGREES NOMINAL
material_document_and_classificationASTM B209 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyCAPTURE BAR LARGE WASHER
NSN5310-01-567-6079
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8197421-1 · 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
•
OVERALL DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B209 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
INSIDE LEFT CORNER CHAMFER ANGLE: 82.0 DEGREES NOMINAL
•
COLOR: GRAY/GREY BODY
•
SURFACE TREATMENT: ANODIZE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B209 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
INSIDE LEFT CORNER CHAMFER ANGLE82.0 DEGREES NOMINAL
COLORGRAY/GREY BODY
SURFACE TREATMENTANODIZE OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYCAPTURE BAR LARGE WASHER
END ITEM IDENTIFICATIONCAPTURE SPINE
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.540 INCHES NOMINAL IN
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 8197421-1?
8197421-1 is a WASHER,FLAT.
What is the NSN for 8197421-1?
8197421-1 is cataloged in the U.S. Government catalog under NSN 5310-01-567-6079. This indicates validated use in U.S. government and defense supply chains.
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