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P-2043 — SWITCH,SENSITIVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P-2043: SWITCH,SENSITIVE.

The SWITCH,SENSITIVE is a the manufacturer industrial component. Key specifications include material: STEEL, surface_treatment: ZINC AND CHROMATE, pipe_accommodation_diameter: 2.625 INCHES NOMINAL IN, supported_item_and_quantity: 1 TUBE, tube_accommodation_outside_diameter: 2.625 INCHES NOMINAL IN, surface_treatment_document_and_classification: QQ-Z-325, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-850-9601, 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
P-2043
NSN: 5340-00-850-9601
NIINs: 008509601, 012733922
FSC: 5340 — Hardware, Commercial
CAGE: 96195 — UNISTRUT INTERNATIONAL CORPORATION DBA UNISTRUT DIVERSIFIED PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL
surface_treatmentZINC AND CHROMATE
pipe_accommodation_diameter2.625 INCHES NOMINAL IN
supported_item_and_quantity1 TUBE
tube_accommodation_outside_diameter2.625 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-Z-325, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-00-850-9601
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P-2043 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
•
TUBE ACCOMMODATION OUTSIDE DIAMETER: 2.625 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
•
SURFACE TREATMENT: ZINC AND CHROMATE
•
SUPPORTED ITEM AND QUANTITY: 1 PIPE
•
PIPE ACCOMMODATION DIAMETER: 2.625 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
TUBE ACCOMMODATION OUTSIDE DIAMETER2.625 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTZINC AND CHROMATE
SUPPORTED ITEM AND QUANTITY1 PIPE
SUPPORTED ITEM AND QUANTITY1 TUBE
PIPE ACCOMMODATION DIAMETER2.625 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
PS1243Reference document
Same NSN cross-reference
Reference document — Secondary reference
11290593-33Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 P-2043?
P-2043 is a SWITCH,SENSITIVE.
What parts can replace P-2043?
There are 2 known substitutes for P-2043: PS1243, 11290593-33. Substitute compatibility should be verified for your specific system.
What is the NSN for P-2043?
P-2043 is cataloged in the U.S. Government catalog under NSN 5340-00-850-9601. 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.