NSN 5340-01-723-2121 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-723-2121. Manufacturer of record part number: NMM110304.
Manufacturer of record: Bird-Johnson Propeller Company, Llc
Identification
NSN: 5340-01-723-2121
NIIN: 017232121
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: NMM110304
Manufacturer: Bird-Johnson Propeller Company, Llc
General Description
The Bracket,mounting, cataloged under National Stock Number 5340-01-723-2121, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Catalog Facts
Item Name
Bracket,mounting
FSC / FSG
5340 — Hardware, Commercial (FSG 53)
Manufacturers
Bird-Johnson Propeller Company, Llc (CAGE 07309)
Technical Specifications
Parameter
Value
NSN
5340-01-723-2121
Primary Part Number
NMM110304
Item Name
Bracket,mounting
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Bird-Johnson Propeller Company, Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-723-2366TVHSSVT5.00SSNFPOSSIBLE MATCH
VALVE,CHECK
Possible match (shared part number)International Valve Corp Dba Check-All Valve Mfg. Co.
4820-01-723-2440NMM000101-24POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Bird-Johnson Propeller Company, Llc
4820-01-723-2442NMM000101-14POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Bird-Johnson Propeller Company, Llc
6695-01-723-3183742DC060C150DACFPOSSIBLE MATCH
TRANSDUCER,PRESSURE,FLUID-HYDRAU
Possible match (shared part number)Ametek, Inc. Dba Pmt Products Div Pmt Products
C/1Advisory reference — outside the item-of-supply concept
Bird-Johnson Propeller Company, Llc
Related Parts
4820-01-723-2366POSSIBLE MATCH
VALVE,CHECK
TVHSSVT5.00SSNF
4820-01-723-2440POSSIBLE MATCH
VALVE,SAFETY RELIEF
NMM000101-24
4820-01-723-2442POSSIBLE MATCH
VALVE,SAFETY RELIEF
NMM000101-14
6695-01-723-3183POSSIBLE MATCH
TRANSDUCER,PRESSURE,FLUID-HYDRAU
742DC060C150DACF
Frequently Asked Questions
What is NSN 5340-01-723-2121?
NSN 5340-01-723-2121 is a Bracket,mounting, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-723-2121?
NSN 5340-01-723-2121 has 1 manufacturer part number on file: NMM110304 (Bird-Johnson Propeller Company, Llc).
What NSN replaces 5340-01-723-2121?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-723-2366, 4820-01-723-2440, 4820-01-723-2442. Verify interchangeability with system specifications before substitution.
Is NSN 5340-01-723-2121 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.