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B-913 — SWITCH ASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B-913: SWITCH ASSEMBLY.

The SWITCH ASSEMBLY is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE AND PLASTIC POLYURETHANE OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0940 INCHES NOMINAL IN, overall_length: 0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN, special_features: PTT SWITCH ASSEMBLY, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-331-9889, 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
B-913
NSN: 4820-00-331-9889
NIINs: 003319889, 011733730, 015190793
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE AND PLASTIC POLYURETHANE OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0940 INCHES NOMINAL IN
overall_length0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
special_featuresPTT SWITCH ASSEMBLY
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.3130 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM IN
body_outside_diameter0.4390 INCHES NOMINAL IN
end_item_identificationAN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE. ON-568(V)/UYQ-70(V), SECURE VOICE SYSTEM
flange_outside_diameter0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN
NSN4820-00-331-9889
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-913 · 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
SUBSTITUTES & CROSS-REFERENCES 1
18-1-105Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 B-913?
B-913 is a SWITCH ASSEMBLY.
What parts can replace B-913?
There is 1 known substitute for B-913: 18-1-105. Substitute compatibility should be verified for your specific system.
What is the NSN for B-913?
B-913 is cataloged in the U.S. Government catalog under NSN 4820-00-331-9889. This indicates validated use in U.S. government and defense supply chains.
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