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4521-20-62-1C — CLIP,SPRING TENSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4521-20-62-1C: CLIP,SPRING TENSION.

The CLIP,SPRING TENSION is a the manufacturer industrial component. Key specifications include width: 0.2200 INCHES NOMINAL IN, length: 0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN, material: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL, hole_diameter: 0.0680 INCHES MINIMUM AND 0.0740 INCHES MAXIMUM IN, overall_height: 0.2500 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN, style_designator: STANDOFF. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-396-2892, 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
4521-20-62-1C
NSN: 5340-01-396-2892
FSC: 5340 — Hardware, Commercial
CAGE: 86928 — SEASTROM MANUFACTURING CO INC (USA)
SPECIFICATIONS
width0.2200 INCHES NOMINAL IN
length0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
materialCOPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
hole_diameter0.0680 INCHES MINIMUM AND 0.0740 INCHES MAXIMUM IN
hole_quantity2
overall_height0.2500 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN
style_designatorSTANDOFF
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.0090 INCHES MINIMUM AND 0.0150 INCHES MAXIMUM IN
loop/holding_dimension0.1950 INCHES NOMINAL IN
material_document_and_classificationASTM-B-194 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5340-01-396-2892
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4521-20-62-1C 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
•
LENGTH: 0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: STANDOFF
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B-194 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
LOOP/HOLDING DIMENSION: 0.1950 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0090 INCHES MINIMUM AND 0.0150 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2500 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN
LENGTH0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSTANDOFF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B-194 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
LOOP/HOLDING DIMENSION0.1950 INCHES NOMINAL IN
MATERIAL THICKNESS0.0090 INCHES MINIMUM AND 0.0150 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
WIDTH0.2200 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
130786-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 4521-20-62-1C?
4521-20-62-1C is a CLIP,SPRING TENSION.
What parts can replace 4521-20-62-1C?
There is 1 known substitute for 4521-20-62-1C: 130786-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 4521-20-62-1C?
4521-20-62-1C is cataloged in the U.S. Government catalog under NSN 5340-01-396-2892. 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.