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8100-0300 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8100-0300: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thickness: 0.0295 INCHES MINIMUM AND 0.0345 INCHES MAXIMUM IN, hole_diameter: 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN, overall_diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, surface_treatment: NICKEL OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-138-6334, 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
8100-0300
NSN: 5310-01-138-6334
FSC: 5310 — Nuts and Washers
CAGE: 13850 — TECHNIPOWER LLC DBA UNIPOWER (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.0295 INCHES MINIMUM AND 0.0345 INCHES MAXIMUM IN
hole_diameter0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
overall_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
surface_treatmentNICKEL OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationESFP-5,FSCM 13850 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-138-6334
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8100-0300 · 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: ESFP-5,FSCM 13850 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: NICKEL OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONESFP-5,FSCM 13850 MFR REF SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTNICKEL OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
THICKNESS0.0295 INCHES MINIMUM AND 0.0345 INCHES MAXIMUM 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8100-0300?
8100-0300 is a WASHER,FLAT.
What is the NSN for 8100-0300?
8100-0300 is cataloged in the U.S. Government catalog under NSN 5310-01-138-6334. 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.