PartsTable TECHNICAL DATA SHEET
NSN 5305-00-856-9374Government record, cited

Thumbscrew5305-00-856-9374

NSN 5305-00-856-9374 · NIIN 008569374 · Part number 131031-5
Lockheed Martin Corp Electronics and Missiles Div · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 09205
Government record, cited
NSN 5305-00-856-9374 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-856-9374. Manufacturer of record part number: 131031-5.
Also searched as  5305-00-856-9374 · 5305008569374 · NIIN 008569374 · 00-856-9374 · FSC 5305 Screws · CAGE 09205 · 131031-5
Nearby stock numbers  ·
Features
  • Thumbscrew — FSC 5305
  • Head Height: 0.250 INCHES NOMINAL IN
  • Fastener Length: 1.500 INCHES NOMINAL IN
  • Thread Length: 1.310 INCHES MINIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Head Style: KNURLED NO. 1
  • Thread Direction: RIGHT-HAND
  • Point Style: FLAT
Identification
  • NSN: 5305-00-856-9374
  • NIIN: 008569374
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 131031-5
  • Manufacturer: Lockheed Martin Corp Electronics and Missiles Div
General Description

The Thumbscrew, cataloged under National Stock Number 5305-00-856-9374, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-856-9374
Primary Part Number131031-5
Item NameThumbscrew
FSC / FSG5305 / 53 — Screws
ManufacturerLockheed Martin Corp Electronics and Missiles Div
StatusACTIVE
Head Height0.250 INCHES NOMINAL IN
Fastener Length1.500 INCHES NOMINAL IN
Thread Length1.310 INCHES MINIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Head StyleKNURLED NO. 1
Thread DirectionRIGHT-HAND
Point StyleFLAT
Thread Class2A A
Thread Quantity Per Inch20
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Diameter1.000 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
131031-5 Weot Precision Industries Inc (USA)
131031-5 Millipart, Inc (USA)
131031-5 PRIMARY Lockheed Martin Corp Electronics and Missiles Div (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 5305-00-856-9374?

NSN 5305-00-856-9374 is a Thumbscrew, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-00-856-9374?

NSN 5305-00-856-9374 has 3 manufacturer part numbers on file: 131031-5 (Weot Precision Industries Inc), 131031-5 (Millipart, Inc), 131031-5 (Lockheed Martin Corp Electronics and Missiles Div).

What are the specifications of 131031-5?

Key specifications for 131031-5: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 1.500 INCHES NOMINAL IN; Thread Length: 1.310 INCHES MINIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5305-00-856-9374 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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