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31840000 — STEM,ACTUATOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

31840000: STEM,ACTUATOR.

The STEM,ACTUATOR is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT,MODEL A10A. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-913-1375, 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
31840000
NSN: 5331-00-913-1375
NIINs: 009131375, 010142764
FSC: 5331 — O-ring
CAGE: 00341 — LEXAN INDUSTRIES, INC DBA STRUTHERS ELECTRONICS DIV STRUTHERS ELECTRONICS (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT,MODEL A10A
NSN5331-00-913-1375
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31840000 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
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 3
031-84-00-00Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
11-031BMILP25732Reference document
Same NSN cross-reference
Reference document — Secondary reference
12039-53Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31840000?
31840000 is a STEM,ACTUATOR.
What parts can replace 31840000?
There are 3 known substitutes for 31840000: 031-84-00-00, 11-031BMILP25732, 12039-53. Substitute compatibility should be verified for your specific system.
What is the NSN for 31840000?
31840000 is cataloged in the U.S. Government catalog under NSN 5331-00-913-1375. 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.