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91590A138 — RING,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

91590A138: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, ring_style: INTERNAL, usage_design: EXTERNAL, inside_diameter: 1.083 INCHES MINIMUM AND 1.108 INCHES MAXIMUM IN, major_thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-581-1474, 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
91590A138
NSN: 5330-01-581-1474
NIINs: 015811474, 016160348
FSC: 5330 — Packing and Gasket Materials
CAGE: 97499 — BELL TEXTRON INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleINTERNAL
usage_designEXTERNAL
inside_diameter1.083 INCHES MINIMUM AND 1.108 INCHES MAXIMUM IN
major_thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
strength_ratingERR-060
outside_diameter1.362 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
end_item_identificationANCHOR HANDLING UNIT
material_hardness_rating43.0 ROCKWELL C NOMINAL
cross-sectional_shape_styleROUNDED OUTSIDE CORNERS
part_name_assigned_by_controlling_agencyEXTERNAL RETAINING RING
NSN5330-01-581-1474
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91590A138 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
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 91590A138?
91590A138 is a RING,RETAINING.
What is the NSN for 91590A138?
91590A138 is cataloged in the U.S. Government catalog under NSN 5330-01-581-1474. This indicates validated use in U.S. government and defense supply chains.
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