PartsTable
Technical Data Sheet
Download PDF

61373 — SWITCH,FLOW

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

61373: SWITCH,FLOW.

The SWITCH,FLOW is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CELLULOSE OVERALL, hole_diameter: 0.328 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, terminal_type: WIRE LEAD, overall_length: 2.875 INCHES NOMINAL IN, mounting_method: LINE AND THREADED BUSHING, outside_diameter: 4.531 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-265-2125, 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
61373
NSN: 5330-00-265-2125
NIINs: 002652125, 007268239, 012652001, 013143682, 013608098, 014949397
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CELLULOSE OVERALL
hole_diameter0.328 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
terminal_typeWIRE LEAD
overall_length2.875 INCHES NOMINAL IN
mounting_methodLINE AND THREADED BUSHING
outside_diameter4.531 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.562 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
bolt_hole_quantity6
nominal_thread_size0.500 INCHES SINGLE THREADED BUSHING IN
bolt_circle_diameter4.125 INCHES NOMINAL IN
NSN5330-00-265-2125
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 61373 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: 0.010 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 4.593 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.562 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 4.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER4.593 INCHES NOMINAL IN
APERTURE DIAMETER3.562 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER4.125 INCHES NOMINAL IN
MATERIALPAPER AND GLUE AND GLYCERIN OVERALL
HOLE DIAMETER0.328 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
346196PC4Reference 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
Ready to buy 61373?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 61373?
61373 is a SWITCH,FLOW.
What parts can replace 61373?
There is 1 known substitute for 61373: 346196PC4. Substitute compatibility should be verified for your specific system.
What is the NSN for 61373?
61373 is cataloged in the U.S. Government catalog under NSN 5330-00-265-2125. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 61373

✓ 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.