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195666 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

195666: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: RECESSED, seal_width: 0.250 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-917-7590, 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
195666
NSN: 5330-00-917-7590
NIINs: 009177590, 015083946
FSC: 5330 — Packing and Gasket Materials
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleRECESSED
seal_width0.250 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.875 INCHES NOMINAL IN
NSN5330-00-917-7590
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 195666 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
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 0.875 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER0.875 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 5
195666H1Reference document
Same NSN cross-reference
Reference document — Secondary reference
195666H2Reference document
Same NSN cross-reference
Reference document — Secondary reference
3044548Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
3044548-0Reference document
Same NSN cross-reference
Reference document — Secondary reference
5692671Reference document
Same NSN cross-reference
Reference document — Secondary 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 195666?
195666 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 195666?
There are 5 known substitutes for 195666: 195666H1, 195666H2, 3044548 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 195666?
195666 is cataloged in the U.S. Government catalog under NSN 5330-00-917-7590. 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.