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63630 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

63630: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-479-1172, 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
63630
NSN: 5330-00-479-1172
NIINs: 004791172, 011901787, 012074167
FSC: 5330 — Packing and Gasket Materials
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
special_featuresQUICK DRYING OIL BASE PAINT,MARKS OPAQUE AND GLOSSY ON ALMOST ANY SURFACE;COLORS INCLUDED 1 EA BLACK,RED,BLUE,GREEN,YELLOW,WHITE
component_quantity6
NSN5330-00-479-1172
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 63630 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
•
FSC APPLICATION DATA: ENGINE,AIRCRAFT,RECIPROCATING
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
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OUTSIDE DIAMETER: 4.815 INCHES NOMINAL IN
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JOINT STYLE: VERTICAL JOINT
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RADIAL WALL THICKNESS: 0.1470 INCHES MINIMUM AND 0.1570 INCHES MAXIMUM IN
•
RING STYLE: EXPANDING CONCENTRIC
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAENGINE,AIRCRAFT,RECIPROCATING
OVERALL WIDTH0.0940 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
OUTSIDE DIAMETER4.815 INCHES NOMINAL IN
JOINT STYLEVERTICAL JOINT
RADIAL WALL THICKNESS0.1470 INCHES MINIMUM AND 0.1570 INCHES MAXIMUM IN
RING STYLEEXPANDING CONCENTRIC
MATERIALIRON OVERALL
METALLIC HARDNESS RATING97.0 MINIMUM ROCKWELL B AND 104.0 MAXIMUM ROCKWELL B
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 63630?
63630 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 63630?
63630 is cataloged in the U.S. Government catalog under NSN 5330-00-479-1172. This indicates validated use in U.S. government and defense supply chains.
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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.