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C4CM10388-1 — WASHER,SADDLE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C4CM10388-1: WASHER,SADDLE.

The WASHER,SADDLE is a the manufacturer industrial component. Key specifications include radius: 0.312 INCHES NOMINAL IN, material: ALUMINUM ALLOY OVERALL, hole_diameter: 0.190 INCHES NOMINAL IN, overall_width: 0.344 INCHES NOMINAL IN, overall_height: 0.255 INCHES NOMINAL IN, outside_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-901-0627, 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
C4CM10388-1
NSN: 5310-00-901-0627
FSC: 5310 — Nuts and Washers
CAGE: 71867 — DE HAVILLAND AIRCRAFT OF CANADA LIMITED (CAN)
SPECIFICATIONS
radius0.312 INCHES NOMINAL IN
materialALUMINUM ALLOY OVERALL
hole_diameter0.190 INCHES NOMINAL IN
overall_width0.344 INCHES NOMINAL IN
overall_height0.255 INCHES NOMINAL IN
outside_diameter0.625 INCHES NOMINAL IN
style_designatorSADDLE
surface_treatmentANODIZE OVERALL
thickness_at_bolt_hole0.125 INCHES NOMINAL IN
NSN5310-00-901-0627
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C4CM10388-1 · 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
•
RADIUS: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SADDLE
•
OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
THICKNESS AT BOLT HOLE: 0.125 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.255 INCHES NOMINAL IN
RADIUS0.312 INCHES NOMINAL IN
STYLE DESIGNATORSADDLE
OVERALL WIDTH0.344 INCHES NOMINAL IN
OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
THICKNESS AT BOLT HOLE0.125 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY OVERALL
HOLE DIAMETER0.190 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C4CM10388-1?
C4CM10388-1 is a WASHER,SADDLE.
What is the NSN for C4CM10388-1?
C4CM10388-1 is cataloged in the U.S. Government catalog under NSN 5310-00-901-0627. 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.