NSN 4820-01-141-1290 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-141-1290. Manufacturer of record part number: 255357 PIECE 137.
Also searched as4820-01-141-1290 ·
4820011411290 ·
NIIN 011411290 ·
01-141-1290 ·
FSC 4820 Valves, Nonpowered · CAGE 43689 · 255357 PIECE 137 · 810-4384538 PC 137 · 810-4384538 PC 137 · 810 4384538
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding
Identification
NSN: 4820-01-141-1290
NIIN: 011411290
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 255357 PIECE 137
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Gagging,tool, cataloged under National Stock Number 4820-01-141-1290, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Gagging,tool
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689)
Technical Specifications
Parameter
Value
NSN
4820-01-141-1290
Primary Part Number
255357 PIECE 137
Item Name
Gagging,tool
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-215-1624810-4384538 PIECE 137-S1POSSIBLE MATCH
PLATE,FLANGE
Possible match (shared part number)Naval Ship Systems Command
4820-01-216-6833810-4384538 PIECE 119POSSIBLE MATCH
COUPLING ASSEMBLY,STEM
Possible match (shared part number)Naval Ship Systems Command
4820-01-216-7010803-4384538 SH 14 PIECE 2POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
5365-01-222-3391810-4384538 SH 17 PC 34POSSIBLE MATCH
RING,EXTERNALLY THREADED
Possible match (shared part number)Naval Ship Systems Command
5365-01-236-6403810-4384538POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
810-4384538 PC 137
5/2Secondary reference
U.S. Government activity
810 4384538
D/9Drawing number reference only
Huntington Ingalls Inc Div Newport News Shipbuilding
Related Parts
4820-01-215-1624POSSIBLE MATCH
PLATE,FLANGE
810-4384538 PIECE 137-S1
4820-01-216-6833POSSIBLE MATCH
COUPLING ASSEMBLY,STEM
810-4384538 PIECE 119
4820-01-216-7010POSSIBLE MATCH
DISK,VALVE
803-4384538 SH 14 PIECE 2
5365-01-222-3391POSSIBLE MATCH
RING,EXTERNALLY THREADED
810-4384538 SH 17 PC 34
5365-01-236-6403POSSIBLE MATCH
SPACER,RING
810-4384538
Frequently Asked Questions
What is NSN 4820-01-141-1290?
NSN 4820-01-141-1290 is a Gagging,tool, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-141-1290?
NSN 4820-01-141-1290 has 2 manufacturer part numbers on file: 810-4384538 PC 137 (Huntington Ingalls Inc Div Newport News Shipbuilding), 255357 PIECE 137 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What NSN replaces 4820-01-141-1290?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-215-1624, 4820-01-216-6833, 4820-01-216-7010. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-141-1290 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.
What is the DEMIL code for NSN 4820-01-141-1290?
NSN 4820-01-141-1290 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.