The Diaphragm,pump,special Shaped, cataloged under National Stock Number 4310-01-294-4957, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4310-01-294-4957
Item Name
Diaphragm,pump,special Shaped
FSC / FSG
4310 / 43 — Compressors and Vacuum Pumps
Status
ACTIVE
Outside Diameter
2.000 INCHES NOMINAL IN
Style Designator
SPECIAL SHAPED
Material Thickness
0.750 INCHES NOMINAL IN
Bolt Hole Quantity
11
Media for Which Designed
LIQUID
Material
STEEL
Hole Diameter
0.219 INCHES NOMINAL IN
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
8465-01-589-019741006POSSIBLE MATCH
HYDRATION SYSTEM
Possible match (shared part number)Camelbak Products, Llc Dba Camelbak
5355-01-589-502841006POSSIBLE MATCH
DIAL,BLACK
Possible match (shared part number)G.s. Blodgett, Llc Div Blodgett
6240-01-650-005541006POSSIBLE MATCH
LAMP,LIGHT EMITTING DIODE
Possible match (shared part number)Energy Focus, Inc. Div Mmm
8135-01-697-059841006POSSIBLE MATCH
FIBERBOARD,CORRUGATED
Possible match (shared part number)Connecticut Container Corp. Dba Connecticut Container Corp
5995-01-724-205141006POSSIBLE MATCH
CIRCUIT,WIRING
Possible match (shared part number)Campbell Scientific Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
100355 PC7 SH3
5/9Secondary reference
Bosch Automotive Service Solutions Inc.
41006
3/9Design control — primary reference
Bosch Automotive Service Solutions Inc.
Related Parts
8465-01-589-0197POSSIBLE MATCH
HYDRATION SYSTEM
41006
5355-01-589-5028POSSIBLE MATCH
DIAL,BLACK
41006
6240-01-650-0055POSSIBLE MATCH
LAMP,LIGHT EMITTING DIODE
41006
8135-01-697-0598POSSIBLE MATCH
FIBERBOARD,CORRUGATED
41006
5995-01-724-2051POSSIBLE MATCH
CIRCUIT,WIRING
41006
Frequently Asked Questions
What is NSN 4310-01-294-4957?
NSN 4310-01-294-4957 is a Diaphragm,pump,special Shaped, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
What NSN replaces 4310-01-294-4957?
5 possible matches (shared part number, not a government interchangeability claim): 8465-01-589-0197, 5355-01-589-5028, 6240-01-650-0055. Verify interchangeability with system specifications before substitution.
What are the specifications of 4310-01-294-4957?
Key specifications for 4310-01-294-4957: Outside Diameter: 2.000 INCHES NOMINAL IN; Style Designator: SPECIAL SHAPED; Material Thickness: 0.750 INCHES NOMINAL IN; Bolt Hole Quantity: 11. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4310-01-294-4957 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.