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103111 — INDICATOR,SPINKS

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

103111: INDICATOR,SPINKS.

The INDICATOR,SPINKS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, ring_style: EXTERNAL, usage_design: EXTERNAL, special_features: NHA IS CLUTCH ASSEMBLY, style_designator: THREADED FLANGED, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-091-4648, 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→ 103111
NSN: 4820-00-091-4648
NIINs: 000914648, 010082101, 011350475, 012188240, 015481105, 016754458
FSC: 4820 — Valves, Nonpowered
CAGE: 56705 — DONALLCO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
ring_styleEXTERNAL
usage_designEXTERNAL
special_featuresNHA IS CLUTCH ASSEMBLY
style_designatorTHREADED FLANGED
surface_treatmentPASSIVATE OVERALL
seating_surface_shapeFLAT
end_item_identificationAQUA LUNG FIRST STAGE REGULATOR
seal_accommodation_typeRECESSED
general_characteristics_item_descriptionALUMINUM ALLOY,FOUR BOSSES EQUALLY SPACED AT 90 DEG ON A 2.875 IN. DIA CIRCLE,THREE HOLES,0.328 IN. DIA,EQUALLY SPACED ON A 4.500 IN. BOLT CIRCLE DIA,WITH ONE SET SCREW 0.312-18 UNC-2B IN
part_name_assigned_by_controlling_agencyFIRST STAGE, TITAN YOKE
NSN4820-00-091-4648
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 103111 · 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
•
SEAL ACCOMMODATION TYPE: RECESSED
•
STYLE DESIGNATOR: THREADED FLANGED
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
SEAL ACCOMMODATION TYPERECESSED
STYLE DESIGNATORTHREADED FLANGED
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 1
216-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 103111?
103111 is a INDICATOR,SPINKS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 103111?
There is 1 known substitute for 103111: 216-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 103111?
103111 is cataloged in the U.S. Government catalog under NSN 4820-00-091-4648. 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.