PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400104Locking Plate,nut and Bolt

Hdt Expeditionary Systems Inc · NSN 5340-00-630-4375 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-630-4375 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-630-4375. Primary manufacturer part number: 400104.
Features
  • Locking Plate,nut and Bolt — FSC 5340
  • Mounting Hole Diameter: 0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: HALF ROUND
  • Material: STEEL
  • Inside Height: 0.159 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN
  • Angle Between Ears in Deg: 150.0
  • EAR Width: 0.125 INCHES NOMINAL IN
  • Distance Between Mounting Hole Centers: 1.244 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel construction
General Description

The Locking Plate,nut and Bolt, cataloged under National Stock Number 5340-00-630-4375, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-630-4375
Primary Part Number400104
Item NameLocking Plate,nut and Bolt
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusCANCELLED
Mounting Hole Diameter0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
Cross-Sectional Shape StyleHALF ROUND
MaterialSTEEL
Inside Height0.159 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN
Angle Between Ears in Deg150.0
EAR Width0.125 INCHES NOMINAL IN
Distance Between Mounting Hole Centers1.244 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
Angle From Horizontal Centerline to EAR in Deg90.0
Style DesignatorSOCKET
Inside Radius0.500 INCHES NOMINAL IN
Width0.594 INCHES NOMINAL IN
Body Width0.437 INCHES NOMINAL IN
Plate Thickness0.036 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
5306-00-144-3706 INTERCHANGEABLE
Bolt,machine
5136-00-239-2770400104 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
2805-00-913-1992 INTERCHANGEABLE
Connecting Rod,piston
5895-01-034-1993138C478H01 INTERCHANGEABLE
Monitor,phase
Northrop Grumman Support Services Corp
4820-01-210-4424400104 INTERCHANGEABLE
Diaphragm,valve,flat
Cmb Industries Febco Div
5985-01-394-9906SEM133D INTERCHANGEABLE
Switch,radio Frequency Transmiss
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
7330-01-449-23191685-01-11 INTERCHANGEABLE
Jug,insulated
Rubbermaid Inc
4820-01-519-079940010-4 INTERCHANGEABLE
Gear Operator,valve
Morpac Industries, Inc Div Actuator
5365-01-614-3429400104 INTERCHANGEABLE
Spacer,plate
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Cross-Reference Index
Part NumberManufacturer
400104 Hdt Expeditionary Systems Inc (USA)
AA7D208 Deco-Grand Inc Sub of Grand Machining Co (USA)
994020800BA805 J R S Industries Inc (USA)
AA7D208 Renk America Llc Div Renk America (USA)
AA7D208 American Terra Vehicles Inc (USA)
994020800BA805 Deco-Grand Inc Sub of Grand Machining Co (USA)
Related Parts
5306-00-144-3706INTERCHANGEABLE
BOLT,MACHINE
5136-00-239-2770INTERCHANGEABLE
DIE,THREAD CUTTING
400104
2805-00-913-1992INTERCHANGEABLE
CONNECTING ROD,PISTON
5895-01-034-1993INTERCHANGEABLE
MONITOR,PHASE
138C478H01
4820-01-210-4424INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
400104
5985-01-394-9906INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
SEM133D
7330-01-449-2319INTERCHANGEABLE
JUG,INSULATED
1685-01-11
4820-01-519-0799INTERCHANGEABLE
GEAR OPERATOR,VALVE
40010-4
5365-01-614-3429INTERCHANGEABLE
SPACER,PLATE
400104

Frequently Asked Questions

What is NSN 5340-00-630-4375?

NSN 5340-00-630-4375 is a Locking Plate,nut and Bolt, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-630-4375?

NSN 5340-00-630-4375 has 6 cross-referenced part numbers: 400104 (Hdt Expeditionary Systems Inc), AA7D208 (Deco-Grand Inc Sub of Grand Machining Co), 994020800BA805 (J R S Industries Inc), AA7D208 (Renk America Llc Div Renk America), AA7D208 (American Terra Vehicles Inc) and 1 more.

What NSN replaces 5340-00-630-4375?

There are 9 known substitutes for 5340-00-630-4375: 5306-00-144-3706, 5136-00-239-2770, 2805-00-913-1992 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400104?

Key specifications for 400104: Mounting Hole Diameter: 0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN; Cross-Sectional Shape Style: HALF ROUND; Material: STEEL; Inside Height: 0.159 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-630-4375 still in active supply?

NSN 5340-00-630-4375 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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