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SP13-C — WASHER,SPECIAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SP13-C: WASHER,SPECIAL.

The WASHER,SPECIAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.048 INCHES NOMINAL IN, hole_diameter: 0.197 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN, heat_treatment: COLD ROLLED, overall_diameter: 0.386 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-118-6203, 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
SP13-C
NSN: 5310-00-118-6203
NIINs: 001186203, 010727207
FSC: 5310 — Nuts and Washers
CAGE: U1604 — MARTIN-BAKER AIRCRAFT COMPANY LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.048 INCHES NOMINAL IN
hole_diameter0.197 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
heat_treatmentCOLD ROLLED
overall_diameter0.386 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationS510,BSI MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-118-6203
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SP13-C · 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: 0.386 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
HEAT TREATMENT: COLD ROLLED
•
MATERIAL DOCUMENT AND CLASSIFICATION: S510,BSI MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.386 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
HEAT TREATMENTCOLD ROLLED
MATERIAL DOCUMENT AND CLASSIFICATIONS510,BSI MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.197 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
THICKNESS0.048 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SP13-C?
SP13-C is a WASHER,SPECIAL.
What is the NSN for SP13-C?
SP13-C is cataloged in the U.S. Government catalog under NSN 5310-00-118-6203. 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.