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581993-1 — SPACER,SLEEVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

581993-1: SPACER,SLEEVE.

The SPACER,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.4620 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-056-4200, 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
581993-1
NSN: 5330-01-056-4200
NIINs: 010564200, 013277995
FSC: 5330 — Packing and Gasket Materials
CAGE: 59789 — PROPONENT, INC. DBA PROPONENT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.4620 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentPASSIVATE OVERALL
body_inside_diameter0.9950 INCHES NOMINAL IN
body_outside_diameter1.9000 INCHES NOMINAL IN
end_item_identificationAFTERBODY SECTION,TORPEDO MK50
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5330-01-056-4200
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 581993-1 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: OD 1.438 IN. MIN,1.440 IN. MAX,ACCOMMODATED SHAFT DIA 0.895 IN. MIN,0.432 IN. MAX THK IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONOD 1.438 IN. MIN,1.440 IN. MAX,ACCOMMODATED SHAFT DIA 0.895 IN. MIN,0.432 IN. MAX THK IN
SUBSTITUTES & CROSS-REFERENCES 3
98-087-933-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
58735Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
63-087-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 581993-1?
581993-1 is a SPACER,SLEEVE.
What parts can replace 581993-1?
There are 3 known substitutes for 581993-1: 98-087-933-001, 58735, 63-087-12. Substitute compatibility should be verified for your specific system.
What is the NSN for 581993-1?
581993-1 is cataloged in the U.S. Government catalog under NSN 5330-01-056-4200. This indicates validated use in U.S. government and defense supply chains.
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