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51693-11 — 51693-11

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

51693-11: 51693-11.

The 51693-11 is a the manufacturer industrial component. Key specifications include special_features: NAVAL BRASS MIL-B-994 COMPOSITION A. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-220-2172, 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→ 51693-11
NSN: 4820-01-220-2172
NIINs: 012202172, 012601894
FSC: 4820 — Valves, Nonpowered
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
special_featuresNAVAL BRASS MIL-B-994 COMPOSITION A
general_characteristics_item_descriptionFIBERGLASS GRAY CASE; POLYETHYLENE FOAM PADS-FLEX. NO 2 DENSITY; OVERALL LENG 15.380 INCH; OVERALL WIDTH 14.880 INCH; OVERALL HT 9.960 INCH IN
NSN4820-01-220-2172
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 51693-11 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNAVAL BRASS MIL-B-994 COMPOSITION A
SUBSTITUTES & CROSS-REFERENCES 2
F-3,105,162 PIECE 11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
F-3,105,162Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 51693-11?
51693-11 is a 51693-11. It is classified as a MRO (MRO_GENERAL).
What parts can replace 51693-11?
There are 2 known substitutes for 51693-11: F-3,105,162 PIECE 11, F-3,105,162. Substitute compatibility should be verified for your specific system.
What is the NSN for 51693-11?
51693-11 is cataloged in the U.S. Government catalog under NSN 4820-01-220-2172. 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.