NSN 5305-01-697-1778 · NIIN 016971778 · Part number BACB30LK3U3X
The Boeing Company Div Legacy Am&m · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 43999
Government record, cited
NSN 5305-01-697-1778 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-697-1778. Manufacturer of record part number: BACB30LK3U3X.
Manufacturer of record: The Boeing Company Div Legacy Am&m
Identification
NSN: 5305-01-697-1778
NIIN: 016971778
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: BACB30LK3U3X
Manufacturer: The Boeing Company Div Legacy Am&m
General Description
The Screw,close Tolerance, cataloged under National Stock Number 5305-01-697-1778, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
Screw,close Tolerance
FSC / FSG
5305 — Screws (FSG 53)
Manufacturers
The Boeing Company Div Legacy Am&m (CAGE 43999)
Technical Specifications
Parameter
Value
NSN
5305-01-697-1778
Primary Part Number
BACB30LK3U3X
Item Name
Screw,close Tolerance
FSC / FSG
5305 / 53 — Screws
Manufacturer
The Boeing Company Div Legacy Am&m
Status
ACTIVE
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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-697-1800BACB30LK3U3YPOSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)The Boeing Company Div Legacy Am&m
5305-01-697-1821BACB30LK3U4XPOSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)The Boeing Company Div Legacy Am&m
5305-01-697-1833BACB30LK3U4YPOSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)The Boeing Company Div Legacy Am&m
5305-01-697-1899BACB30LK3U5XPOSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)The Boeing Company Div Legacy Am&m
5305-01-697-1906BACB30LK3U5YPOSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)The Boeing Company Div Legacy Am&m
5305-01-697-2690BACB30LK3U6XPOSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)The Boeing Company Div Legacy Am&m
5305-01-697-2700BACB30LK3U6YPOSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)The Boeing Company Div Legacy Am&m
NSN 5305-01-697-1778 is a Screw,close Tolerance, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-697-1778?
NSN 5305-01-697-1778 has 1 manufacturer part number on file: BACB30LK3U3X (The Boeing Company Div Legacy Am&m).
What NSN replaces 5305-01-697-1778?
11 possible matches (shared part number, not a government interchangeability claim): 5305-01-697-1800, 5305-01-697-1821, 5305-01-697-1833. Verify interchangeability with system specifications before substitution.
Is NSN 5305-01-697-1778 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.