PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400-2181956 PIECE 11Nut,insert

Naval Ship Systems Command · NSN 5310-00-678-1000 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-678-1000 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-678-1000. Primary manufacturer part number: 400-2181956 PIECE 11.
Features
  • Nut,insert — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,insert, cataloged under National Stock Number 5310-00-678-1000, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,insert
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersLockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Naval Ship Systems Command (CAGE 80064)
Technical Specifications
ParameterValue
NSN5310-00-678-1000
Primary Part Number400-2181956 PIECE 11
Item NameNut,insert
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-272-555216316 INTERCHANGEABLE
Screw,machine
Fwd Seagrave Holdings Lp
6910-01-302-3092800-856 INTERCHANGEABLE
Modeling Paste,casualty Simulati
Nasco Healthcare Inc
5305-01-669-856130919 INTERCHANGEABLE
Screw,machine
Sea-Bird Electronics, Inc Dba Sea-Bird Scientific
Cross-Reference Index
Part NumberManufacturer
30919 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
400-2181956 PIECE 11 PRIMARY Naval Ship Systems Command (USA)
Related Parts
5305-00-272-5552INTERCHANGEABLE
SCREW,MACHINE
16316
6910-01-302-3092INTERCHANGEABLE
MODELING PASTE,CASUALTY SIMULATI
800-856
5305-01-669-8561INTERCHANGEABLE
SCREW,MACHINE
30919

Frequently Asked Questions

What is NSN 5310-00-678-1000?

NSN 5310-00-678-1000 is a Nut,insert, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-678-1000?

NSN 5310-00-678-1000 has 2 cross-referenced part numbers: 30919 (Lockheed Martin Corporation Div Rms - Mitchel Field), 400-2181956 PIECE 11 (Naval Ship Systems Command).

What NSN replaces 5310-00-678-1000?

There are 3 known substitutes for 5310-00-678-1000: 5305-00-272-5552, 6910-01-302-3092, 5305-01-669-8561. Verify interchangeability with system specifications before substitution.

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