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219770 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

219770: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-023-5290, 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
219770
NSN: 5330-01-023-5290
NIINs: 010235290, 013341630, 014071645
FSC: 5330 — Packing and Gasket Materials
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch28
NSN5330-01-023-5290
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 219770 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
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SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUBSTITUTES & CROSS-REFERENCES 1
630106C1Reference 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 219770?
219770 is a NUT,PLAIN,HEXAGON.
What parts can replace 219770?
There is 1 known substitute for 219770: 630106C1. Substitute compatibility should be verified for your specific system.
What is the NSN for 219770?
219770 is cataloged in the U.S. Government catalog under NSN 5330-01-023-5290. 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.