NSN 4320-01-345-5729 · NIIN 013455729 · Part number D-37287-11
Graham Corp · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 1LCX3
Government record, cited
NSN 4320-01-345-5729 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-345-5729. Manufacturer of record part number: D-37287-11.
Also searched as4320-01-345-5729 ·
4320013455729 ·
NIIN 013455729 ·
01-345-5729 ·
FSC 4320 Power and Hand Pumps · CAGE 1LCX3 · D-37287-11 · C-37287-21 · D-37287-1 · D-37287-1 · C-37287-21
The Ejector Assembly,air, cataloged under National Stock Number 4320-01-345-5729, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Graham Corp. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4320-01-345-5729
Primary Part Number
D-37287-11
Item Name
Ejector Assembly,air
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Graham Corp
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4420-01-350-6976C-37287-2POSSIBLE MATCH
BONNET,FLUID COOLER,INDUSTRIAL
Possible match (shared part number)Graham Corp
4730-01-350-9097D-37287-11 PC 5C1-5C2POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
Possible match (shared part number)Graham Corp
4730-01-350-9178POSSIBLE MATCH
MANIFOLD,AIR LINE
Possible match (shared part number)
4320-01-350-9382B-37287-15POSSIBLE MATCH
CHAMBER,AIR EJECTOR
Possible match (shared part number)Graham Corp
4320-01-350-9383B-37287-16POSSIBLE MATCH
DIFFUSER,AIR EJECTOR
Possible match (shared part number)Graham Corp
4320-01-350-9384B-37287-25POSSIBLE MATCH
CHAMBER,AIR EJECTOR
Possible match (shared part number)Graham Corp
4730-01-351-1576POSSIBLE MATCH
REDUCER,PIPE
Possible match (shared part number)
4730-01-351-1643D-37287-11 PIECE 10APOSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
Possible match (shared part number)Graham Corp
4730-01-351-5241D-37287-11 PIECE 5DPOSSIBLE MATCH
NOZZLE,SPRAY,FLUID-EMULSION
Possible match (shared part number)Graham Corp
4730-01-351-5242D-37287-11 PIECE 8D 1POSSIBLE MATCH
Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3
D-37287-11
3/9Design control — primary reference
Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3
D-37287-1
5/9Secondary reference
Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3
Related Parts
4420-01-350-6976POSSIBLE MATCH
BONNET,FLUID COOLER,INDUSTRIAL
C-37287-2
4730-01-350-9097POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
D-37287-11 PC 5C1-5C2
4730-01-350-9178POSSIBLE MATCH
MANIFOLD,AIR LINE
4320-01-350-9382POSSIBLE MATCH
CHAMBER,AIR EJECTOR
B-37287-15
4320-01-350-9383POSSIBLE MATCH
DIFFUSER,AIR EJECTOR
B-37287-16
4320-01-350-9384POSSIBLE MATCH
CHAMBER,AIR EJECTOR
B-37287-25
4730-01-351-1576POSSIBLE MATCH
REDUCER,PIPE
4730-01-351-1643POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
D-37287-11 PIECE 10A
4730-01-351-5241POSSIBLE MATCH
NOZZLE,SPRAY,FLUID-EMULSION
D-37287-11 PIECE 5D
4730-01-351-5242POSSIBLE MATCH
NOZZLE,SPRAY,FLUID-EMULSION
D-37287-11 PIECE 8D 1
4220-01-351-5245POSSIBLE MATCH
DIFFUSER,AIR SUPPLY
4220-01-351-8355POSSIBLE MATCH
DIFFUSER,AIR SUPPLY
Frequently Asked Questions
What is NSN 4320-01-345-5729?
NSN 4320-01-345-5729 is a Ejector Assembly,air, manufactured by Graham Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-345-5729?
NSN 4320-01-345-5729 has 3 manufacturer part numbers on file: D-37287-1 (Graham Corp), C-37287-21 (Graham Corp), D-37287-11 (Graham Corp).
What NSN replaces 4320-01-345-5729?
12 possible matches (shared part number, not a government interchangeability claim): 4420-01-350-6976, 4730-01-350-9097, 4730-01-350-9178. Verify interchangeability with system specifications before substitution.
What are the specifications of D-37287-11?
Key specifications for D-37287-11: Special Features: MAIN LINE STEAM PRESSURE 140PSIG AT 660 F MINIUM;STEAM CONSUMPTION FOR 2 STAGE AIR EJECTOR 150 LBS/HR LBS; End Item Identification: EJECTOR AIR 2 STAGE AUX COND. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4320-01-345-5729 hazardous material?
No hazard code in the DLA record (HMIC N). 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.