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401299 — COVER,SWITCH ACTUATOR,NONLUMINOU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

401299: COVER,SWITCH ACTUATOR,NONLUMINOU.

COVER,SWITCH ACTUATOR,NONLUMINOU. Key specifications include material: PLASTIC ACRYLIC, edge_type: FLAT FINISH, overall_width: 3.250 INCHES NOMINAL IN, overall_length: 10.000 INCHES NOMINAL IN, style_designator: SQUARE CORNERS, overall_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-979-1189, 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
401299
NSN: 5330-00-979-1189
NIINs: 009791189, 010620881, 011695226
FSC: 5330 — Packing and Gasket Materials
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
materialPLASTIC ACRYLIC
edge_typeFLAT FINISH
overall_width3.250 INCHES NOMINAL IN
overall_length10.000 INCHES NOMINAL IN
style_designatorSQUARE CORNERS
overall_thickness0.125 INCHES NOMINAL IN
material_transparencyCLEAR
end_item_identification6625010767818
environmental_protectionCHEMICAL RESISTANT AND HIGH TEMPERATURE RESISTANT AND WEATHER RESISTANT AND IMPACT RESISTANT AND BOILING WATER RESISTANT
general_characteristics_item_description0.630 IN LG,0.320 IN WD;0.265 IN HG IN
NSN5330-00-979-1189
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 401299 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
SUBSTITUTES & CROSS-REFERENCES 1
5007-39Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 401299?
401299 is a COVER,SWITCH ACTUATOR,NONLUMINOU.
What parts can replace 401299?
There is 1 known substitute for 401299: 5007-39. Substitute compatibility should be verified for your specific system.
What is the NSN for 401299?
401299 is cataloged in the U.S. Government catalog under NSN 5330-00-979-1189. 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.