NSN 3040-01-201-2491 · NIIN 012012491 · Part number 300-2144167 PIECE 4
Huntington Ingalls Inc Div Newport News Shipbuilding · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 43689
Government record, cited
NSN 3040-01-201-2491 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-201-2491. Manufacturer of record part number: 300-2144167 PIECE 4.
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding
Identification
NSN: 3040-01-201-2491
NIIN: 012012491
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 300-2144167 PIECE 4
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Ball Joint, cataloged under National Stock Number 3040-01-201-2491, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-201-2491
Primary Part Number
300-2144167 PIECE 4
Item Name
Ball Joint
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Status
ACTIVE
Length
4.438 INCHES NOMINAL IN
Style Designator
SINGLE, STRAIGHT, HOLED SHANK
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-201-659977774-35X3 PIECE 11POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-201-673077774-35X3 PIECE 23POSSIBLE MATCH
RETAINER,BALL PIVOT,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-201-673177774-35X3 PIECE 5POSSIBLE MATCH
RETAINER,PIVOT,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-202-034677774-35X3 PIECE 13POSSIBLE MATCH
RING,SPRAY
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-202-058677774-35X3 PIECE 1POSSIBLE MATCH
LEVER,REMOTE CONTROL
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
77774-35X3
D/9Drawing number reference only
U.S. Government activity
300-2144167
D/9Drawing number reference only
Huntington Ingalls Inc Div Newport News Shipbuilding
77774-35X3 PIECE 4
3/2Design control — primary reference
U.S. Government activity
Related Parts
4820-01-201-6599POSSIBLE MATCH
SEAT,VALVE
77774-35X3 PIECE 11
4820-01-201-6730POSSIBLE MATCH
RETAINER,BALL PIVOT,VALVE
77774-35X3 PIECE 23
4820-01-201-6731POSSIBLE MATCH
RETAINER,PIVOT,VALVE
77774-35X3 PIECE 5
4820-01-202-0346POSSIBLE MATCH
RING,SPRAY
77774-35X3 PIECE 13
3040-01-202-0586POSSIBLE MATCH
LEVER,REMOTE CONTROL
77774-35X3 PIECE 1
3120-01-209-8134POSSIBLE MATCH
BEARING,SLEEVE
77774-35X3 PIECE 9
Frequently Asked Questions
What is NSN 3040-01-201-2491?
NSN 3040-01-201-2491 is a Ball Joint, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-201-2491?
NSN 3040-01-201-2491 has 1 manufacturer part number on file: 300-2144167 PIECE 4 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What NSN replaces 3040-01-201-2491?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-201-6599, 4820-01-201-6730, 4820-01-201-6731. Verify interchangeability with system specifications before substitution.
What are the specifications of 300-2144167 PIECE 4?
Key specifications for 300-2144167 PIECE 4: Length: 4.438 INCHES NOMINAL IN; Style Designator: SINGLE, STRAIGHT, HOLED SHANK; Special Features: HOLE DIA 0.188 IN.;SPRING-NOT INCL.;NONADJUSTABLE;SHANK WDTH 0.750 IN.;MATL-STEEL PER QQ-S-763 IN; Material: STEEL. 3 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-201-2491 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.