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MS27990-1C — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS27990-1C: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include pin_diameter: 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN, overall_length: 72.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-192-0400, 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
MS27990-1C
NSN: 5340-00-192-0400
FSC: 5340 — Hardware, Commercial
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
pin_diameter0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
overall_length72.000 INCHES NOMINAL IN
NSN5340-00-192-0400
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS27990-1C 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
•
PIN DIAMETER: 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
PIN DIAMETER0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
OVERALL LENGTH72.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
AA55589-11CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A-A-55589Reference document
Same NSN cross-reference
Reference document — Identification reference
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 MS27990-1C?
MS27990-1C is a HINGE,BUTT.
What parts can replace MS27990-1C?
There are 2 known substitutes for MS27990-1C: AA55589-11C, A-A-55589. Substitute compatibility should be verified for your specific system.
What is the NSN for MS27990-1C?
MS27990-1C is cataloged in the U.S. Government catalog under NSN 5340-00-192-0400. This indicates validated use in U.S. government and defense supply chains.
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