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121682 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

121682: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 4.231 INCHES NOMINAL IN, flange_thickness: 0.060 INCHES NOMINAL IN, special_features: OVERALL WIDTH 2.5", aperture_diameter: 1.648 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: WASHER, ENCLOSED, CAM TUBE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-652-7988, 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
121682
NSN: 5330-01-652-7988
FSC: 5330 — Packing and Gasket Materials
CAGE: Z4732 — HAULMARK TRAILERS (AUSTRALIA) PTY LTD (AUS)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length4.231 INCHES NOMINAL IN
flange_thickness0.060 INCHES NOMINAL IN
special_featuresOVERALL WIDTH 2.5"
aperture_diameter1.648 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyWASHER, ENCLOSED, CAM TUBE
NSN5330-01-652-7988
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 121682 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
•
FLANGE THICKNESS: 0.060 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.648 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.060 INCHES NOMINAL IN
OVERALL LENGTH4.231 INCHES NOMINAL IN
APERTURE DIAMETER1.648 INCHES NOMINAL IN
SPECIAL FEATURESOVERALL WIDTH 2.5"
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, ENCLOSED, CAM TUBE
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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 121682?
121682 is a RETAINER,SEAL.
What is the NSN for 121682?
121682 is cataloged in the U.S. Government catalog under NSN 5330-01-652-7988. 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.