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NSN 5305-01-487-8819Government record, cited

Screw, Lag5305-01-487-8819

NSN 5305-01-487-8819 · NIIN 014878819 · Part number 91478A544
Mcmaster-Carr Supply Co · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 39428
Government record, cited
NSN 5305-01-487-8819 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-487-8819. Manufacturer of record part number: 91478A544.
Also searched as  5305-01-487-8819 · 5305014878819 · NIIN 014878819 · 01-487-8819 · FSC 5305 Screws · CAGE 39428 · 91478A544
Nearby stock numbers  ·
Features
  • Screw,lag — FSC 5305
  • Nonmachine Nominal Thread Diameter: 0.250 INCHES IN
  • Head Height: 0.172 INCHES NOMINAL IN
  • Fastener Length: 1.250 INCHES NOMINAL IN
  • Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA)
  • Head Style: HEXAGON
  • Width Between Flats: 0.438 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
Identification
  • NSN: 5305-01-487-8819
  • NIIN: 014878819
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 91478A544
  • Manufacturer: Mcmaster-Carr Supply Co
General Description

The Screw,lag, cataloged under National Stock Number 5305-01-487-8819, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 8 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-487-8819
Primary Part Number91478A544
Item NameScrew,lag
FSC / FSG5305 / 53 — Screws
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Nonmachine Nominal Thread Diameter0.250 INCHES IN
Head Height0.172 INCHES NOMINAL IN
Fastener Length1.250 INCHES NOMINAL IN
Nonmachine Thread StyleGIMLET POINT (TYPE A, AB OR BA)
Head StyleHEXAGON
Width Between Flats0.438 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
91478A544 PRIMARY Mcmaster-Carr Supply Co (USA)
No interchangeability data on file.
Other items in FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016
5305-00-001-5016 · Item name not on file
5305-00-001-9160
5305-00-001-9160 · Item name not on file
5305-00-001-9629
SCREW,ADJUSTING CLEVIS
5305-00-001-9742
5305-00-001-9742 · Item name not on file
5305-00-001-9768
SCREW,CAP,SOCKET HEAD
5305-00-003-4306
SCREW,MACHINE
5305-00-003-6694
5305-00-003-6694 · Item name not on file
5305-00-003-6753
5305-00-003-6753 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-487-8819?

NSN 5305-01-487-8819 is a Screw,lag, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-487-8819?

NSN 5305-01-487-8819 has 1 manufacturer part number on file: 91478A544 (Mcmaster-Carr Supply Co).

What are the specifications of 91478A544?

Key specifications for 91478A544: Nonmachine Nominal Thread Diameter: 0.250 INCHES IN; Head Height: 0.172 INCHES NOMINAL IN; Fastener Length: 1.250 INCHES NOMINAL IN; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA). 8 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-487-8819 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.
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