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C11997-0001 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C11997-0001: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, thickness: 0.020 INCHES NOMINAL IN, hole_diameter: 0.028 INCHES NOMINAL IN, overall_diameter: 0.085 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-147-4913, 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
C11997-0001
NSN: 5310-01-147-4913
FSC: 5310 — Nuts and Washers
CAGE: 59885 — ROSEMOUNT AEROSPACE INC DBA ROSEMOUNT AEROSPACE INC (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
thickness0.020 INCHES NOMINAL IN
hole_diameter0.028 INCHES NOMINAL IN
overall_diameter0.085 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-147-4913
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C11997-0001 · 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: 0.085 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.028 INCHES NOMINAL IN
•
THICKNESS: 0.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.085 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALPLASTIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.028 INCHES NOMINAL IN
THICKNESS0.020 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
10109815Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 C11997-0001?
C11997-0001 is a WASHER,FLAT.
What parts can replace C11997-0001?
There is 1 known substitute for C11997-0001: 10109815. Substitute compatibility should be verified for your specific system.
What is the NSN for C11997-0001?
C11997-0001 is cataloged in the U.S. Government catalog under NSN 5310-01-147-4913. 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.