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NSN 5305-01-628-2291Government record, cited

Screw, Shoulder5305-01-628-2291

NSN 5305-01-628-2291 · NIIN 016282291 · Part number 90278A371
Mcmaster-Carr Supply Co · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 3A054
Government record, cited
NSN 5305-01-628-2291 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-628-2291. Manufacturer of record part number: 90278A371.
Also searched as  5305-01-628-2291 · 5305016282291 · NIIN 016282291 · 01-628-2291 · FSC 5305 Screws · CAGE 3A054 · 90278A371
Nearby stock numbers  ·
Features
  • Screw,shoulder — FSC 5305
  • Width Across Flats: 2.5 MILLIMETERS NOMINAL MM
  • Head Height: 4.0 MILLIMETERS NOMINAL MM
  • Fastener Length: 17.0 MILLIMETERS NOMINAL MM
  • Thread Pitch in Millimeters: 0.7
  • Thread Length: 5.0 MILLIMETERS NOMINAL MM
  • Nominal Thread Diameter: 4.0 MILLIMETERS MM
  • Head Style: FILLISTER
Identification
  • NSN: 5305-01-628-2291
  • NIIN: 016282291
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 90278A371
  • Manufacturer: Mcmaster-Carr Supply Co
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-628-2291, 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 12 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
NSN5305-01-628-2291
Primary Part Number90278A371
Item NameScrew,shoulder
FSC / FSG5305 / 53 — Screws
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Width Across Flats2.5 MILLIMETERS NOMINAL MM
Head Height4.0 MILLIMETERS NOMINAL MM
Fastener Length17.0 MILLIMETERS NOMINAL MM
Thread Pitch in Millimeters0.7
Thread Length5.0 MILLIMETERS NOMINAL MM
Nominal Thread Diameter4.0 MILLIMETERS MM
Head StyleFILLISTER
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
MaterialSTEEL OVERALL
Thread Series DesignatorM
Head Diameter9.0 MILLIMETERS NOMINAL MM
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
90278A371 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.
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-1397
5305-00-000-1397 · Item name not on file
5305-00-000-2625
5305-00-000-2625 · Item name not on file
5305-00-000-3669
5305-00-000-3669 · Item name not on file
5305-00-000-3830
5305-00-000-3830 · Item name not on file
5305-00-000-3831
5305-00-000-3831 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-628-2291?

NSN 5305-01-628-2291 is a Screw,shoulder, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-628-2291?

NSN 5305-01-628-2291 has 1 manufacturer part number on file: 90278A371 (Mcmaster-Carr Supply Co).

What are the specifications of 90278A371?

Key specifications for 90278A371: Width Across Flats: 2.5 MILLIMETERS NOMINAL MM; Head Height: 4.0 MILLIMETERS NOMINAL MM; Fastener Length: 17.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.7. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-628-2291 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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