PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12981Screw,machine

Vaisala Inc. · NSN 5305-01-394-7848 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-394-7848 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-394-7848. Primary manufacturer part number: 12981.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: SLOT
  • Head Diameter: 8.5 MILLIMETERS NOMINAL MM
  • Head Height: 3.3 MILLIMETERS NOMINAL MM
  • Thread Pitch in Millimeters: 0.8
  • External Thread Tolerance Class: 6G G
  • Nominal Thread Diameter: 5.0 MILLIMETERS MM
  • Screw Material: STEEL COMP 316
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-394-7848, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Vaisala Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-394-7848
Primary Part Number12981
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerVaisala Inc.
StatusACTIVE
Internal Drive StyleSLOT
Head Diameter8.5 MILLIMETERS NOMINAL MM
Head Height3.3 MILLIMETERS NOMINAL MM
Thread Pitch in Millimeters0.8
External Thread Tolerance Class6G G
Nominal Thread Diameter5.0 MILLIMETERS MM
Screw MaterialSTEEL COMP 316
Thread Length35.0 MILLIMETERS NOMINAL MM
Thread Series DesignatorM
Fastener Length35.0 MILLIMETERS NOMINAL MM
Head StyleFLAT FILLISTER
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-202-953955-454-1 INTERCHANGEABLE
Reducer,tube
Dana Corp Spicer Transmission Div
1265-00-381-63171357027 INTERCHANGEABLE
Gear Head Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-556-2628129-8-1 INTERCHANGEABLE
Reactor
Kearfott Corporation Div Guidance and Navigation Division
6220-01-115-89161298-501 INTERCHANGEABLE
Floodlight,electric
Control Products Corporation
2590-01-340-944812981 INTERCHANGEABLE
Bezel,automotive Trim
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
12981 PRIMARY Vaisala Inc. (USA)
Related Parts
4730-00-202-9539INTERCHANGEABLE
REDUCER,TUBE
55-454-1
1265-00-381-6317INTERCHANGEABLE
GEAR HEAD ASSY
1357027
5950-00-556-2628INTERCHANGEABLE
REACTOR
129-8-1
6220-01-115-8916INTERCHANGEABLE
FLOODLIGHT,ELECTRIC
1298-501
2590-01-340-9448INTERCHANGEABLE
BEZEL,AUTOMOTIVE TRIM
12981

Frequently Asked Questions

What is NSN 5305-01-394-7848?

NSN 5305-01-394-7848 is a Screw,machine, manufactured by Vaisala Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-394-7848?

NSN 5305-01-394-7848 has 1 cross-referenced part number: 12981 (Vaisala Inc.).

What NSN replaces 5305-01-394-7848?

There are 5 known substitutes for 5305-01-394-7848: 4730-00-202-9539, 1265-00-381-6317, 5950-00-556-2628 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12981?

Key specifications for 12981: Internal Drive Style: SLOT; Head Diameter: 8.5 MILLIMETERS NOMINAL MM; Head Height: 3.3 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.8. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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