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403104 — INSULATION,THERMAL,SPECIAL PURPO

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

403104: INSULATION,THERMAL,SPECIAL PURPO.

INSULATION,THERMAL,SPECIAL PURPO. Key specifications include nut_style: HEXAGON, nut_height: 0.250 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND, surface_treatment: NICKEL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-400-4246, 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
403104
NSN: 5330-00-400-4246
NIINs: 004004246, 011880639
FSC: 5330 — Packing and Gasket Materials
CAGE: 70628 — ARROWHEAD PRODUCTS CORP (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height0.250 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
width_across_flats1.562 INCHES NOMINAL IN
nominal_thread_size1.250 INCHES IN
bearing_surface_typeCHAMFERED
drilled_hole_diameter0.047 INCHES NOMINAL IN
hole_type_and_quantity3 DRILLED
hole_configuration_styleCONFIGURATION B
NSN5330-00-400-4246
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 403104 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESINNER AND OUTER SKIN
SUBSTITUTES & CROSS-REFERENCES 1
216-36433-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 403104?
403104 is a INSULATION,THERMAL,SPECIAL PURPO.
What parts can replace 403104?
There is 1 known substitute for 403104: 216-36433-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 403104?
403104 is cataloged in the U.S. Government catalog under NSN 5330-00-400-4246. 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.