NSN 4820-01-676-9312 · NIIN 016769312 · Part number 1970-002-24-2134L1
Naval Inventory Control Point Mechanicsburg · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 03950
Government record, cited
NSN 4820-01-676-9312 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-676-9312. Manufacturer of record part number: 1970-002-24-2134L1.
Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
2 manufacturer part numbers on file
Manufacturer of record: Naval Inventory Control Point Mechanicsburg
Identification
NSN: 4820-01-676-9312
NIIN: 016769312
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1970-002-24-2134L1
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Valve,stop-Check, cataloged under National Stock Number 4820-01-676-9312, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-676-9312
Primary Part Number
1970-002-24-2134L1
Item Name
Valve,stop-Check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Inventory Control Point Mechanicsburg
Status
ACTIVE
Criticality Code Justification
ZZZY
Reference Number Differentiating Characteristics
MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
S
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-677-5785B54612-1POSSIBLE MATCH
GASKET
Possible match (shared part number)Mission Systems Orchard Park Inc
4820-01-677-57961970-502-007-1POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Mission Systems Orchard Park Inc
4820-01-719-15081970-002-24-2134POSSIBLE MATCH
VALVE,STOP-CHECK
Possible match (shared part number)Mission Systems Orchard Park Inc
4820-01-720-6675B12142-1POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Mission Systems Orchard Park Inc
5310-01-732-76711002-0008-002POSSIBLE MATCH
WASHER,CONVEX
Possible match (shared part number)Mission Systems Orchard Park Inc
5305-01-732-77651005-0012-1POSSIBLE MATCH
SCREW,DRIVE
Possible match (shared part number)Mission Systems Orchard Park Inc
NSN 4820-01-676-9312 is a Valve,stop-Check, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-676-9312?
NSN 4820-01-676-9312 has 2 manufacturer part numbers on file: 1970-002-24-2134L1 (Naval Inventory Control Point Mechanicsburg), 218099830L1 (Naval Inventory Control Point Mechanicsburg).
What NSN replaces 4820-01-676-9312?
6 possible matches (shared part number, not a government interchangeability claim): 5330-01-677-5785, 4820-01-677-5796, 4820-01-719-1508. Verify interchangeability with system specifications before substitution.
What are the specifications of 1970-002-24-2134L1?
Key specifications for 1970-002-24-2134L1: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: VALVE, SHUT-OFF; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-676-9312 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.