PartsTable TECHNICAL DATA SHEET
NSN 5305-01-672-6320Government record, cited

Screw, Cap, Socket Head5305-01-672-6320

NSN 5305-01-672-6320 · NIIN 016726320 · Part number 90043871
Grove U.s. Llc Dba Grove Us Llc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 12361
Government record, cited
NSN 5305-01-672-6320 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-672-6320. Manufacturer of record part number: 90043871.
Also searched as  5305-01-672-6320 · 5305016726320 · NIIN 016726320 · 01-672-6320 · FSC 5305 Screws · CAGE 12361 · 90043871 · 91263A556
Nearby stock numbers  ·
Features
  • Screw,cap,socket Head — FSC 5305
  • Width Across Flats: 0.15625 INCHES NOMINAL IN
  • Head Height: 0.161 INCHES NOMINAL IN
  • Fastener Length: 0.625 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Head Style: OVAL COUNTERSUNK
  • Thread Direction: RIGHT-HAND
  • Internal Drive Style: HEXAGON
Identification
  • NSN: 5305-01-672-6320
  • NIIN: 016726320
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 90043871
  • Manufacturer: Grove U.s. Llc Dba Grove Us Llc
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-672-6320, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. Government technical data includes 13 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
NSN5305-01-672-6320
Primary Part Number90043871
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — Screws
ManufacturerGrove U.s. Llc Dba Grove Us Llc
StatusACTIVE
Width Across Flats0.15625 INCHES NOMINAL IN
Head Height0.161 INCHES NOMINAL IN
Fastener Length0.625 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
Head StyleOVAL COUNTERSUNK
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
Countersink Angle82.0 DEGREES NOMINAL
Thread Class2A A
Thread Quantity Per Inch20
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Diameter0.531 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
90043871 PRIMARY Grove U.s. Llc Dba Grove Us Llc (USA)
91263A556 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 5305-01-672-6320?

NSN 5305-01-672-6320 is a Screw,cap,socket Head, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-672-6320?

NSN 5305-01-672-6320 has 2 manufacturer part numbers on file: 90043871 (Grove U.s. Llc Dba Grove Us Llc), 91263A556 (Mcmaster-Carr Supply Co).

What are the specifications of 90043871?

Key specifications for 90043871: Width Across Flats: 0.15625 INCHES NOMINAL IN; Head Height: 0.161 INCHES NOMINAL IN; Fastener Length: 0.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-672-6320 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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