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8197012-1 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8197012-1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.080 INCHES NOMINAL IN, hole_diameter: 0.257 INCHES NOMINAL IN, overall_diameter: 0.900 INCHES NOMINAL IN, special_features: NHA; 8197002 AND USED ON 8226400, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-571-9636, 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
8197012-1
NSN: 5310-01-571-9636
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
thickness0.080 INCHES NOMINAL IN
hole_diameter0.257 INCHES NOMINAL IN
overall_diameter0.900 INCHES NOMINAL IN
special_featuresNHA; 8197002 AND USED ON 8226400
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationDAMPER ASSY
material_document_and_classificationASTM A564 GRADE 630 ASSN STD ALL MATERIAL RESPONSES OVERALL
part_name_assigned_by_controlling_agencyWASHER,DAMPER
NSN5310-01-571-9636
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8197012-1 · 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: 0.900 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A564 GRADE 630 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
COLOR: BLUE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.900 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A564 GRADE 630 ASSN STD ALL MATERIAL RESPONSES OVERALL
COLORBLUE OVERALL
SPECIAL FEATURESNHA; 8197002 AND USED ON 8226400
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,DAMPER
END ITEM IDENTIFICATIONDAMPER ASSY
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.257 INCHES NOMINAL IN
THICKNESS0.080 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 8197012-1?
8197012-1 is a WASHER,FLAT.
What is the NSN for 8197012-1?
8197012-1 is cataloged in the U.S. Government catalog under NSN 5310-01-571-9636. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.