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Technical Data Sheet
PartsTable / COMPONENT / 12591-2
12591-2 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The TUBE,JURY STRUT SPA is a the manufacturer industrial component. Key specifications include end_item_identification: HELICAL SCREW COMPRESSOR;COLTEC INDUSTRIES INC;MOD QSB 25. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-391-3830, 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
12591-2
NSN: 5340-00-391-3830
FSC: 5340
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
end_item_identificationHELICAL SCREW COMPRESSOR;COLTEC INDUSTRIES INC;MOD QSB 25
NSN5340-00-391-3830
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12591-2 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
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
1060-1Upgraded Successor
successor cross-reference
successor
1221-1Interchangeable
interchangeable cross-reference
interchangeable
SM-B-433236Interchangeable
interchangeable cross-reference
interchangeable
100591Interchangeable
interchangeable cross-reference
interchangeable
DS2-3Interchangeable
interchangeable cross-reference
interchangeable
KS17-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12591-2?
12591-2 is a TUBE,JURY STRUT SPA.
What parts can replace 12591-2?
There are 16 known substitutes for 12591-2: 1060-1, 1221-1, SM-B-433236 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12591-2?
12591-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-391-3830. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026