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440-1104 — SCREW,MACHINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

440-1104: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, thread_class: 3A A, thread_length: 0.167 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 0.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-829-8754, 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
440-1104
NSN: 5330-00-829-8754
NIINs: 008298754, 011742871
FSC: 5330 — Packing and Gasket Materials
CAGE: 07700 — TECHNICAL WIRE PRODUCTS, LLC DBA TWP (USA)
SPECIFICATIONS
head_styleROUND
thread_class3A A
thread_length0.167 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5330-00-829-8754
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 440-1104 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 4
1033028Reference document
Same NSN cross-reference
Reference document — Secondary reference
31-531Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2192303REVAReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2192303Reference 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 440-1104?
440-1104 is a SCREW,MACHINE.
What parts can replace 440-1104?
There are 4 known substitutes for 440-1104: 1033028, 31-531, 2192303REVA and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 440-1104?
440-1104 is cataloged in the U.S. Government catalog under NSN 5330-00-829-8754. 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.