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NSN 5305-01-641-5843Government record, cited

Screw, Machine5305-01-641-5843

NSN 5305-01-641-5843 · NIIN 016415843 · Part number 91770A247
Mcmaster-Carr Supply Co · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 39428
Government record, cited
NSN 5305-01-641-5843 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-641-5843. Manufacturer of record part number: 91770A247.
Also searched as  5305-01-641-5843 · 5305016415843 · NIIN 016415843 · 01-641-5843 · FSC 5305 Screws · CAGE 39428 · 91770A247
Nearby stock numbers  ·
Features
  • Screw,machine — FSC 5305
  • Head Height: 0.118 INCHES NOMINAL IN
  • Fastener Length: 1.0 INCHES NOMINAL IN
  • Thread Length: 1.0 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Head Style: ROOF
  • Thread Direction: RIGHT-HAND
  • Screw Material: STEEL
Identification
  • NSN: 5305-01-641-5843
  • NIIN: 016415843
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 91770A247
  • Manufacturer: Mcmaster-Carr Supply Co
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-641-5843, 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 11 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
NSN5305-01-641-5843
Primary Part Number91770A247
Item NameScrew,machine
FSC / FSG5305 / 53 — Screws
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Head Height0.118 INCHES NOMINAL IN
Fastener Length1.0 INCHES NOMINAL IN
Thread Length1.0 INCHES NOMINAL IN
Nominal Thread Diameter0.190 INCHES IN
Head StyleROOF
Thread DirectionRIGHT-HAND
Screw MaterialSTEEL
Internal Drive StyleTORQUE-SET RIBBED
Thread Quantity Per Inch24
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Diameter0.448 INCHES NOMINAL IN
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
91770A247 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 5305-01-641-5843?

NSN 5305-01-641-5843 is a Screw,machine, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-641-5843?

NSN 5305-01-641-5843 has 1 manufacturer part number on file: 91770A247 (Mcmaster-Carr Supply Co).

What are the specifications of 91770A247?

Key specifications for 91770A247: Head Height: 0.118 INCHES NOMINAL IN; Fastener Length: 1.0 INCHES NOMINAL IN; Thread Length: 1.0 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-641-5843 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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