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3-3008-20 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3-3008-20: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: PLASTIC POLYAMIDE NYLON AND RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.484 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 1.250 INCHES NOMINAL IN, accommodated_shaft_diameter: 0.719 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-447-2472, 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
3-3008-20
NSN: 5330-00-447-2472
NIINs: 004472472, 012156909
FSC: 5330 — Packing and Gasket Materials
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON AND RUBBER SYNTHETIC SEALING ELEMENT
seal_width0.484 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter1.250 INCHES NOMINAL IN
accommodated_shaft_diameter0.719 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-447-2472
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-3008-20 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
•
SEAL WIDTH: 0.484 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 0.719 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON AND RUBBER SYNTHETIC SEALING ELEMENT
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.484 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER0.719 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON AND RUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 1
DP00820Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3-3008-20?
3-3008-20 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace 3-3008-20?
There is 1 known substitute for 3-3008-20: DP00820. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-3008-20?
3-3008-20 is cataloged in the U.S. Government catalog under NSN 5330-00-447-2472. 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.