PartsTable TECHNICAL DATA SHEET
NSN 5305-01-642-0701Government record, cited

Screw, Shoulder5305-01-642-0701

NSN 5305-01-642-0701 · NIIN 016420701 · Part number 90298A639
Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 5MQU3
Government record, cited
NSN 5305-01-642-0701 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-642-0701. Manufacturer of record part number: 90298A639.
Also searched as  5305-01-642-0701 · 5305016420701 · NIIN 016420701 · 01-642-0701 · FSC 5305 Screws · CAGE 5MQU3 · 90298A639
Nearby stock numbers  ·
Features
  • Screw,shoulder — FSC 5305
  • Width Across Flats: 0.188 INCHES NOMINAL IN
  • Head Height: 0.250 INCHES NOMINAL IN
  • Fastener Length: 3.745 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN
  • Thread Length: 0.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Head Style: KNURLED NO. 1
  • Thread Direction: RIGHT-HAND
Identification
  • NSN: 5305-01-642-0701
  • NIIN: 016420701
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 90298A639
  • Manufacturer: Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-642-0701, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations. 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
NSN5305-01-642-0701
Primary Part Number90298A639
Item NameScrew,shoulder
FSC / FSG5305 / 53 — Screws
ManufacturerInfastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations
StatusACTIVE
Width Across Flats0.188 INCHES NOMINAL IN
Head Height0.250 INCHES NOMINAL IN
Fastener Length3.745 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN
Thread Length0.500 INCHES NOMINAL IN
Nominal Thread Diameter0.312 INCHES IN
Head StyleKNURLED NO. 1
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
Thread Class3A A
Thread Quantity Per Inch18
MaterialSTEEL COMP 302 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Diameter0.562 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
90298A639 Mcmaster-Carr Supply Co (USA)
90298A639 PRIMARY Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations (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 5305-01-642-0701?

NSN 5305-01-642-0701 is a Screw,shoulder, manufactured by Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-642-0701?

NSN 5305-01-642-0701 has 2 manufacturer part numbers on file: 90298A639 (Mcmaster-Carr Supply Co), 90298A639 (Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations).

What are the specifications of 90298A639?

Key specifications for 90298A639: Width Across Flats: 0.188 INCHES NOMINAL IN; Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 3.745 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN; Thread Length: 0.500 INCHES NOMINAL IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-642-0701 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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