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48997 — SWITCH,PROXIMITY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

48997: SWITCH,PROXIMITY.

The SWITCH,PROXIMITY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.188 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.000 INCHES NOMINAL IN, special_features: SHUT OFF CURRENT WHEN LATCH IS OPEN; MAGNETIC PROXIMITY SENSOR, style_designator: THREADED FLANGED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-161-2547, 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
48997
NSN: 4820-01-161-2547
NIINs: 011612547, 013686358, 014505600
FSC: 4820 — Valves, Nonpowered
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter1.000 INCHES NOMINAL IN
special_featuresSHUT OFF CURRENT WHEN LATCH IS OPEN; MAGNETIC PROXIMITY SENSOR
style_designatorTHREADED FLANGED
nominal_thread_size0.875 INCHES SINGLE THREADED PORTION IN
under_flange_height0.305 INCHES NOMINAL IN
fsc_application_data6640-01-450-4149; CENTRIFUGE,LABORATORY; MODEL 2392
seating_surface_shapeFLAT
thread_series_designatorUNF SINGLE THREADED PORTION
body_stepped_inside_diameter0.125 INCHES NOMINAL FIRST STEP IN
NSN4820-01-161-2547
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 48997 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE SEAT TO DISK END HEIGHT: 0.130 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
•
BODY STEPPED INSIDE DIAMETER: 0.125 INCHES NOMINAL FIRST STEP IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
NOMINAL THREAD SIZE: 0.875 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.305 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.130 INCHES NOMINAL IN
FLANGE DIAMETER1.000 INCHES NOMINAL IN
THREAD LENGTH0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
BODY STEPPED INSIDE DIAMETER0.125 INCHES NOMINAL FIRST STEP IN
BODY STEPPED INSIDE DIAMETER0.500 INCHES NOMINAL SECOND STEP IN
STYLE DESIGNATORTHREADED FLANGED
NOMINAL THREAD SIZE0.875 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.305 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 48997?
48997 is a SWITCH,PROXIMITY.
What is the NSN for 48997?
48997 is cataloged in the U.S. Government catalog under NSN 4820-01-161-2547. 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.