PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400401Washer,flat

Tri-Tec Manufacturing Llc · NSN 5310-01-542-0009 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-542-0009 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-542-0009. Primary manufacturer part number: 400401.
Features
  • Washer,flat — FSC 5310
  • 4 verified cross-references
  • Primary manufacturer: Tri-Tec Manufacturing Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-542-0009, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tri-Tec Manufacturing Llc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-542-0009
Primary Part Number400401
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTri-Tec Manufacturing Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2915-00-155-809840040-1 INTERCHANGEABLE
Valve,fuel Shutoff
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
4330-00-218-5914 INTERCHANGEABLE
Holder,nozzle
4210-00-242-83993221-2014-0 INTERCHANGEABLE
Panel,inner Roof
Kidde Fire Fighting, Inc. Div National Foam
6635-00-431-3766 INTERCHANGEABLE
Light,ultraviolet,metals Examini
5340-01-394-244940022-1 INTERCHANGEABLE
Bracket,angle
Morpac Industries, Inc Div Actuator
5825-01-413-2300 INTERCHANGEABLE
Transmitter,coordinate Data
1680-01-562-502740040-1 INTERCHANGEABLE
Housing,lwr,aircraf
United Technologies Corp Hamilton Sundstrand Corp
1330-01-681-7804400401 INTERCHANGEABLE
Repair Kit,grenade Launcher
Combined Systems Inc
Cross-Reference Index
Part NumberManufacturer
993014-9 FD NO.91 Tri-Tec Manufacturing Llc (USA)
400401 Tri-Tec Manufacturing, Llc (USA)
993014-9 FD NO.91 Tri-Tec Manufacturing, Llc (USA)
400401 PRIMARY Tri-Tec Manufacturing Llc (USA)
Related Parts
2915-00-155-8098INTERCHANGEABLE
VALVE,FUEL SHUTOFF
40040-1
4330-00-218-5914INTERCHANGEABLE
HOLDER,NOZZLE
4210-00-242-8399INTERCHANGEABLE
PANEL,INNER ROOF
3221-2014-0
6635-00-431-3766INTERCHANGEABLE
LIGHT,ULTRAVIOLET,METALS EXAMINI
5340-01-394-2449INTERCHANGEABLE
BRACKET,ANGLE
40022-1
5825-01-413-2300INTERCHANGEABLE
TRANSMITTER,COORDINATE DATA
1680-01-562-5027INTERCHANGEABLE
HOUSING,LWR,AIRCRAF
40040-1
1330-01-681-7804INTERCHANGEABLE
REPAIR KIT,GRENADE LAUNCHER
400401

Frequently Asked Questions

What is NSN 5310-01-542-0009?

NSN 5310-01-542-0009 is a Washer,flat, manufactured by Tri-Tec Manufacturing Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-542-0009?

NSN 5310-01-542-0009 has 4 cross-referenced part numbers: 993014-9 FD NO.91 (Tri-Tec Manufacturing Llc), 400401 (Tri-Tec Manufacturing, Llc), 993014-9 FD NO.91 (Tri-Tec Manufacturing, Llc), 400401 (Tri-Tec Manufacturing Llc).

What NSN replaces 5310-01-542-0009?

There are 8 known substitutes for 5310-01-542-0009: 2915-00-155-8098, 4330-00-218-5914, 4210-00-242-8399 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400401?

Key specifications for 400401: End Item Identification: ACTUATOR, ELECTRO-ME; Part Name Assigned by Controlling Agency: WASHER, NON-METALLIC. 2 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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