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NSN 5305-01-666-6736Government record, cited

Screw, Machine5305-01-666-6736

NSN 5305-01-666-6736 · NIIN 016666736 · Part number 91771A839
Birdon America Inc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 6KT72
Government record, cited
NSN 5305-01-666-6736 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-666-6736. Manufacturer of record part number: 91771A839.
Also searched as  5305-01-666-6736 · 5305016666736 · NIIN 016666736 · 01-666-6736 · FSC 5305 Screws · CAGE 6KT72 · 91771A839
Nearby stock numbers  ·
Features
  • Screw,machine — FSC 5305
  • Fastener Length: 2.250 INCHES NOMINAL IN
  • Screw Material: STEEL CORROSION RESISTING
  • Surface Treatment: PASSIVATE
  • Countersink Angle: 82.0 DEGREES NOMINAL
  • Thread Quantity Per Inch: 32
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Birdon America Inc
Identification
  • NSN: 5305-01-666-6736
  • NIIN: 016666736
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 91771A839
  • Manufacturer: Birdon America Inc
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-666-6736, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Birdon America Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-666-6736
Primary Part Number91771A839
Item NameScrew,machine
FSC / FSG5305 / 53 — Screws
ManufacturerBirdon America Inc
StatusACTIVE
Fastener Length2.250 INCHES NOMINAL IN
Screw MaterialSTEEL CORROSION RESISTING
Surface TreatmentPASSIVATE
Countersink Angle82.0 DEGREES NOMINAL
Thread Quantity Per Inch32
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
91771A839 Mcmaster-Carr Supply Co (USA)
91771A839 PRIMARY Birdon America Inc (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 5305-01-666-6736?

NSN 5305-01-666-6736 is a Screw,machine, manufactured by Birdon America Inc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-666-6736?

NSN 5305-01-666-6736 has 2 manufacturer part numbers on file: 91771A839 (Mcmaster-Carr Supply Co), 91771A839 (Birdon America Inc).

What are the specifications of 91771A839?

Key specifications for 91771A839: Fastener Length: 2.250 INCHES NOMINAL IN; Screw Material: STEEL CORROSION RESISTING; Special Features: NUMBER 10, 32 X 2.5; Surface Treatment: PASSIVATE. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-666-6736 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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