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NSN 5305-01-641-5507Government record, cited

Screw, Machine5305-01-641-5507

NSN 5305-01-641-5507 · NIIN 016415507 · Part number NAS1801-4D12
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 78286
Government record, cited
NSN 5305-01-641-5507 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-641-5507. Manufacturer of record part number: NAS1801-4D12.
Also searched as  5305-01-641-5507 · 5305016415507 · NIIN 016415507 · 01-641-5507 · FSC 5305 Screws · CAGE 78286 · NAS1801-4D12
Nearby stock numbers  ·
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.75 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.25 INCHES IN
  • Head Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Screw Material: STEEL
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Thread Class: 3A A
Identification
  • NSN: 5305-01-641-5507
  • NIIN: 016415507
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: NAS1801-4D12
  • Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-641-5507, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 9 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
NSN5305-01-641-5507
Primary Part NumberNAS1801-4D12
Item NameScrew,machine
FSC / FSG5305 / 53 — Screws
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
Thread Length0.75 INCHES NOMINAL IN
Nominal Thread Diameter0.25 INCHES IN
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Screw MaterialSTEEL
Internal Drive StyleCROSS RECESS TYPE 1
Thread Class3A A
Thread Quantity Per Inch28
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
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
NAS1801-4D12 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (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 5305-01-641-5507?

NSN 5305-01-641-5507 is a Screw,machine, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-641-5507?

NSN 5305-01-641-5507 has 1 manufacturer part number on file: NAS1801-4D12 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What are the specifications of NAS1801-4D12?

Key specifications for NAS1801-4D12: Thread Length: 0.75 INCHES NOMINAL IN; Nominal Thread Diameter: 0.25 INCHES IN; Head Style: HEXAGON; Thread Direction: RIGHT-HAND. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-641-5507 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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