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7998594 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7998594: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, overall_height: 1.180 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN, seal_seat_depth: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN, flange_thickness: 0.190 INCHES NOMINAL IN, bolt_hole_diameter: 0.375 INCHES NOMINAL IN, seal_seat_diameter: 4.244 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-588-8562, 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
7998594
NSN: 5330-00-588-8562
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialIRON OVERALL
overall_height1.180 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
seal_seat_depth0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
flange_thickness0.190 INCHES NOMINAL IN
bolt_hole_diameter0.375 INCHES NOMINAL IN
bolt_hole_quantity2
seal_seat_diameter4.244 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
bolt_circle_diameter6.740 INCHES MINIMUM AND 6.760 INCHES MAXIMUM IN
fsc_application_dataVEHICULAR POWER TRANSMISSION COMPONENTS
body_outside_diameter7.380 INCHES NOMINAL IN
mounting_flange_diameter7.618 INCHES MINIMUM AND 7.624 INCHES MAXIMUM IN
shortest_distance_between_body_end_and_mounting_flange0.857 INCHES MINIMUM AND 0.861 INCHES MAXIMUM IN
NSN5330-00-588-8562
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7998594 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: VEHICULAR POWER TRANSMISSION COMPONENTS
•
FLANGE THICKNESS: 0.190 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 7.380 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 0.375 INCHES NOMINAL IN
•
SEAL SEAT DIAMETER: 4.244 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 2
•
BOLT CIRCLE DIAMETER: 6.740 INCHES MINIMUM AND 6.760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.180 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
FSC APPLICATION DATAVEHICULAR POWER TRANSMISSION COMPONENTS
FLANGE THICKNESS0.190 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER7.380 INCHES NOMINAL IN
BOLT HOLE DIAMETER0.375 INCHES NOMINAL IN
SEAL SEAT DIAMETER4.244 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER6.740 INCHES MINIMUM AND 6.760 INCHES MAXIMUM IN
SHORTEST DISTANCE BETWEEN BODY END AND MOUNTING FLANGE0.857 INCHES MINIMUM AND 0.861 INCHES MAXIMUM IN
MOUNTING FLANGE DIAMETER7.618 INCHES MINIMUM AND 7.624 INCHES MAXIMUM IN
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 7998594?
7998594 is a RETAINER,SEAL.
What is the NSN for 7998594?
7998594 is cataloged in the U.S. Government catalog under NSN 5330-00-588-8562. 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.