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1970-502-3-3 — PENETRATOR ASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1970-502-3-3: PENETRATOR ASSEMBLY.

The PENETRATOR ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: ASSIGNMENT OF ELECTRICAL HOLES IN HULL AND TANKS FRAME 65 AFT, criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: PENETRATOR ASSY YLF-HLF-1C-TRANSDUCER SONAR CONNECTOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-056-1687, 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
1970-502-3-3
NSN: 4820-01-056-1687
NIINs: 010561687, 011925638, 014868491, 016562615
FSC: 4820 — Valves, Nonpowered
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
end_item_identificationASSIGNMENT OF ELECTRICAL HOLES IN HULL AND TANKS FRAME 65 AFT
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyPENETRATOR ASSY YLF-HLF-1C-TRANSDUCER SONAR CONNECTOR
NSN4820-01-056-1687
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1970-502-3-3 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
SUBSTITUTES & CROSS-REFERENCES 7
1970-502 3-3CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PL1970 002NV-2A FIND 2CPReference document
Same NSN cross-reference
Reference document — Secondary reference
1970-002 ITEM 02Reference document
Same NSN cross-reference
Reference document — Secondary reference
1970 002NV-1S FIND2CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PL1970 002NV-1A FIND 2CPReference document
Same NSN cross-reference
Reference document — Secondary reference
PL1970 002NV-2A FIND 2Reference 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 1970-502-3-3?
1970-502-3-3 is a PENETRATOR ASSEMBLY.
What parts can replace 1970-502-3-3?
There are 7 known substitutes for 1970-502-3-3: 1970-502 3-3CP, PL1970 002NV-2A FIND 2CP, 1970-002 ITEM 02 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1970-502-3-3?
1970-502-3-3 is cataloged in the U.S. Government catalog under NSN 4820-01-056-1687. 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.