PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10978Cup Mount

Drs Environmental Systems Inc · NSN 5340-01-109-0276 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-109-0276 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-109-0276. Primary manufacturer part number: 10978.
Features
  • Cup Mount — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Drs Environmental Systems Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Cup Mount, cataloged under National Stock Number 5340-01-109-0276, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Drs Environmental Systems Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCup Mount
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersDrs Environmental Systems Inc (CAGE 5RQL2); Engineered Air Systems, Inc. Dba Drs Sustainment Systems (CAGE 90598)
Technical Specifications
ParameterValue
NSN5340-01-109-0276
Primary Part Number10978
Item NameCup Mount
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-203-6435 INTERCHANGEABLE
Clamp,c
5315-00-426-1133 INTERCHANGEABLE
Pin,straight,headless
5305-00-932-09621097-8 INTERCHANGEABLE
Screw,cap,hexagon Head
Clay and Bailey Manufacturing Company
5999-01-092-9332 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5895-01-118-2187SY933-3D24 INTERCHANGEABLE
Control-Monitor
Tvh Parts Co.
5841-01-120-472710978 INTERCHANGEABLE
Hybrid Assembly,low Power
Photonis Defense Inc Dba Photonis Defense Inc
4820-01-323-705010978 INTERCHANGEABLE
Seat,valve
Liquid Metronics Inc
Cross-Reference Index
Part NumberManufacturer
10978 Drs Environmental Systems Inc (USA)
10978 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
Related Parts
5120-00-203-6435INTERCHANGEABLE
CLAMP,C
5315-00-426-1133INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5305-00-932-0962INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1097-8
5999-01-092-9332INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5895-01-118-2187INTERCHANGEABLE
CONTROL-MONITOR
SY933-3D24
5841-01-120-4727INTERCHANGEABLE
HYBRID ASSEMBLY,LOW POWER
10978
4820-01-323-7050INTERCHANGEABLE
SEAT,VALVE
10978

Frequently Asked Questions

What is NSN 5340-01-109-0276?

NSN 5340-01-109-0276 is a Cup Mount, manufactured by Drs Environmental Systems Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-109-0276?

NSN 5340-01-109-0276 has 2 cross-referenced part numbers: 10978 (Drs Environmental Systems Inc), 10978 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems).

What NSN replaces 5340-01-109-0276?

There are 7 known substitutes for 5340-01-109-0276: 5120-00-203-6435, 5315-00-426-1133, 5305-00-932-0962 and 4 more. Verify interchangeability with system specifications before substitution.

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