PartsTable
Technical Data Sheet
Download PDF

C20138-001 — LOCKSPLINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C20138-001: LOCKSPLINE.

The LOCKSPLINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, special_features: 23 TEETH; 0.190 INCH HEXAGONAL CENTER; 64/128 SPLINE PITCH; 45 DEG PRESSURE ANGLE; CLASS 7 FIT IN, surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-599-1999, 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
C20138-001
NSN: 5340-01-599-1999
FSC: 5340 — Hardware, Commercial
CAGE: 9P5N5 — MOOG MILITARY AIRCRAFT LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
special_features23 TEETH; 0.190 INCH HEXAGONAL CENTER; 64/128 SPLINE PITCH; 45 DEG PRESSURE ANGLE; CLASS 7 FIT IN
surface_treatmentPASSIVATE
NSN5340-01-599-1999
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C20138-001 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES23 TEETH; 0.190 INCH HEXAGONAL CENTER; 64/128 SPLINE PITCH; 45 DEG PRESSURE ANGLE; CLASS 7 FIT IN
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy C20138-001?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is C20138-001?
C20138-001 is a LOCKSPLINE.
What is the NSN for C20138-001?
C20138-001 is cataloged in the U.S. Government catalog under NSN 5340-01-599-1999. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — C20138-001

✓ 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.