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166976 — SWITCH,FLOW

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

166976: SWITCH,FLOW.

The SWITCH,FLOW is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.875 INCHES NOMINAL IN, terminal_type: WIRE LEAD, mounting_method: LINE AND THREADED BUSHING, style_designator: CYLINDRICAL W/MOUNTING LUGS. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-110-3604, 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
MRO→ MRO_GENERAL→ 166976
NSN: 5330-00-110-3604
NIINs: 001103604, 014488259
FSC: 5330 — Packing and Gasket Materials
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.875 INCHES NOMINAL IN
terminal_typeWIRE LEAD
mounting_methodLINE AND THREADED BUSHING
style_designatorCYLINDRICAL W/MOUNTING LUGS
aperture_diameter1.687 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter2.250 INCHES NOMINAL IN
contact_adjustabilityACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE
outside_corner_radius0.313 INCHES NOMINAL IN
contact_action_stimulusDECREASE
NSN5330-00-110-3604
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 166976 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 THICKNESS: 0.063 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 1.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1252-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.687 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER1.250 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+1252-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.875 INCHES NOMINAL IN
APERTURE DIAMETER1.687 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER2.250 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.313 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 166976?
166976 is a SWITCH,FLOW. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 166976?
166976 is cataloged in the U.S. Government catalog under NSN 5330-00-110-3604. 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.