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839-A — TIMER,INTERVAL

✓ Government record, cited
S AND S X-RAY PRODUCTS INC · MOTOR
PRODUCT OVERVIEW

839-A: TIMER,INTERVAL.

The TIMER,INTERVAL is a S AND S X-RAY PRODUCTS INC industrial component. Key specifications include TIMER TYPE: MECHANICAL, CONTROL TYPE: KNOB INCLUDED POINTERS, FURNISHED ITEMS: INTERVAL EXPIRATION SIGNALLING DEVICE, SPECIAL FEATURES: DARK ROOM TIMER, DIAL MINIMUM GRADUATION UNIT: 1.0 MINUTE. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-435-9982, 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
839-A
NSN: 6105-00-435-9982
NIINs: 004359982, 013916482
FSC: 6105 — Motors, Electrical
CAGE: 19710 — MPC PRODUCTS CORPORATION DBA WOODWARD MPC, INC. (USA)
SPECIFICATIONS
TIMER TYPEMECHANICAL
CONTROL TYPEKNOB INCLUDED POINTERS
FURNISHED ITEMSINTERVAL EXPIRATION SIGNALLING DEVICE
SPECIAL FEATURESDARK ROOM TIMER
DIAL MINIMUM GRADUATION UNIT1.0 MINUTE
NSN6105-00-435-9982
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 839-A · S AND S X-RAY PRODUCTS INC ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 4
800281Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
163-B39AReference document
Same NSN cross-reference
Reference document — Secondary reference
800281-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
839Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 839-A?
839-A is a TIMER,INTERVAL manufactured by S AND S X-RAY PRODUCTS INC.
What parts can replace 839-A?
There are 4 known substitutes for 839-A: 800281, 163-B39A, 800281-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 839-A?
839-A is cataloged in the U.S. Government catalog under NSN 6105-00-435-9982. This indicates validated use in U.S. government and defense supply chains.
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