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1120A591 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1120A591: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include minor_height: 0.50 INCHES NOMINAL IN, special_features: PVC AND VINYL 1.171 WIDTH, features_provided: MOLDED, end_item_identification: MASTIFF 3, cross-sectional_shape_style: SPECIAL, part_name_assigned_by_controlling_agency: EDGE GRIP SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-600-1570, 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
1120A591
NSN: 5330-01-600-1570
FSC: 5330 — Packing and Gasket Materials
CAGE: 0KVE6 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
minor_height0.50 INCHES NOMINAL IN
special_featuresPVC AND VINYL 1.171 WIDTH
features_providedMOLDED
end_item_identificationMASTIFF 3
cross-sectional_shape_styleSPECIAL
part_name_assigned_by_controlling_agencyEDGE GRIP SEAL
NSN5330-01-600-1570
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1120A591 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
•
MINOR HEIGHT: 0.50 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
FEATURES PROVIDED: MOLDED
TECHNICAL CHARACTERISTICS
MINOR HEIGHT0.50 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
FEATURES PROVIDEDMOLDED
SPECIAL FEATURESPVC AND VINYL 1.171 WIDTH
PART NAME ASSIGNED BY CONTROLLING AGENCYEDGE GRIP SEAL
END ITEM IDENTIFICATIONMASTIFF 3
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 1120A591?
1120A591 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 1120A591?
1120A591 is cataloged in the U.S. Government catalog under NSN 5330-01-600-1570. 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.