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21L1-51 — CLEVIS,ROD END

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21L1-51: CLEVIS,ROD END.

The CLEVIS,ROD END is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY UNS Z33520 OVERALL, end_radius: 0.150 INCHES NOMINAL IN, fork_depth: 0.373 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN, thread_class: 3B ROD CONNECTION, hole_diameter: 0.125 INCHES NOMINAL IN, overall_width: 0.511 INCHES MINIMUM AND 0.521 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-787-6606, 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
21L1-51
NSN: 5340-00-787-6606
FSC: 5340 — Hardware, Commercial
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
materialZINC ALLOY UNS Z33520 OVERALL
end_radius0.150 INCHES NOMINAL IN
fork_depth0.373 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN
thread_class3B ROD CONNECTION
hole_diameter0.125 INCHES NOMINAL IN
overall_width0.511 INCHES MINIMUM AND 0.521 INCHES MAXIMUM IN
thread_length0.340 INCHES NOMINAL ROD CONNECTION IN
overall_height0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
fork_span_width0.339 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
style_designatorCLEVIS
thread_directionRIGHT-HAND ROD CONNECTION
surface_treatmentENAMEL OVERALL
NSN5340-00-787-6606
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21L1-51 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
•
FORK SPAN WIDTH: 0.339 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
•
FORK ARM THICKNESS: 0.087 INCHES NOMINAL IN
•
END RADIUS: 0.150 INCHES NOMINAL IN
•
THREAD LENGTH: 0.340 INCHES NOMINAL ROD CONNECTION IN
•
STYLE DESIGNATOR: CLEVIS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-Z-363 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
FORK SPAN WIDTH0.339 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
FORK ARM THICKNESS0.087 INCHES NOMINAL IN
END RADIUS0.150 INCHES NOMINAL IN
THREAD LENGTH0.340 INCHES NOMINAL ROD CONNECTION IN
STYLE DESIGNATORCLEVIS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-Z-363 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.511 INCHES MINIMUM AND 0.521 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND ROD CONNECTION
NOMINAL THREAD SIZE0.250 INCHES ROD CONNECTION IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21L1-51?
21L1-51 is a CLEVIS,ROD END.
What is the NSN for 21L1-51?
21L1-51 is cataloged in the U.S. Government catalog under NSN 5340-00-787-6606. This indicates validated use in U.S. government and defense supply chains.
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