General Characteristics Item Description: MATL STEEL; 4.200 IN. OD; 0.156 IN. THK; 0.550 IN. DIA CENTER HOLE; 24 ELONGATED PORTS; TWO SUBDRILLED HOLES 0.100 IN. DIA,0.125 IN. DEEP,SPACED 90 DEGREES APART ON A 0.812 IN. BOLT CIRCLE DIA IN
Identification
NSN: 4310-00-374-7337
NIIN: 003747337
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors
General Description
The Plate,discharge Valve, cataloged under National Stock Number 4310-00-374-7337, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
4310-00-374-7337
Item Name
Plate,discharge Valve
FSC / FSG
4310 / 43 — Compressors and Vacuum Pumps
Status
ACTIVE
General Characteristics Item Description
MATL STEEL; 4.200 IN. OD; 0.156 IN. THK; 0.550 IN. DIA CENTER HOLE; 24 ELONGATED PORTS; TWO SUBDRILLED HOLES 0.100 IN. DIA,0.125 IN. DEEP,SPACED 90 DEGREES APART ON A 0.812 IN. BOLT CIRCLE DIA 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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-00-414-0206100668POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Champion Industries Inc.
5331-00-817-70804400171-1340POSSIBLE MATCH
O-RING
Possible match (shared part number)Marotta Controls Inc
5975-00-938-877525022POSSIBLE MATCH
CONDUIT ASSEMBLY,METAL,RIGID
Possible match (shared part number)Triumph Controls, Llc Dba Triumph Controls, Llc
6130-01-066-897125022POSSIBLE MATCH
POWER SUPPLY SUBASSEMBLY
Possible match (shared part number)Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
3120-01-144-622125022POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Jetstream of Houston, Llp Dba Jetstream of Houston Llp
4710-01-185-41108J5220POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
5945-01-232-9576POSSIBLE MATCH
SOLENOID,ELECTRICAL
Possible match (shared part number)
6510-01-597-968300889000200POSSIBLE MATCH
BANDAGE,FELT,ORTHOPEDIC
Possible match (shared part number)Zimmer, Inc. Dba Z Hotel
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
25022
3/9Design control — primary reference
Davey Compressor Co Div of Keco Industries Inc
A25022
5/9Secondary reference
Davey Compressor Co Div of Keco Industries Inc
25022
C/1Advisory reference — outside the item-of-supply concept
Drs Environmental Systems Inc
Related Parts
3120-00-414-0206POSSIBLE MATCH
BUSHING,SLEEVE
100668
5331-00-817-7080POSSIBLE MATCH
O-RING
4400171-1340
5975-00-938-8775POSSIBLE MATCH
CONDUIT ASSEMBLY,METAL,RIGID
25022
6130-01-066-8971POSSIBLE MATCH
POWER SUPPLY SUBASSEMBLY
25022
3120-01-144-6221POSSIBLE MATCH
BUSHING,SLEEVE
25022
4710-01-185-4110POSSIBLE MATCH
TUBE ASSEMBLY,METAL
8J5220
5945-01-232-9576POSSIBLE MATCH
SOLENOID,ELECTRICAL
6510-01-597-9683POSSIBLE MATCH
BANDAGE,FELT,ORTHOPEDIC
00889000200
Frequently Asked Questions
What is NSN 4310-00-374-7337?
NSN 4310-00-374-7337 is a Plate,discharge Valve, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
What NSN replaces 4310-00-374-7337?
8 possible matches (shared part number, not a government interchangeability claim): 3120-00-414-0206, 5331-00-817-7080, 5975-00-938-8775. Verify interchangeability with system specifications before substitution.
What are the specifications of 4310-00-374-7337?
Key specifications for 4310-00-374-7337: General Characteristics Item Description: MATL STEEL; 4.200 IN. OD; 0.156 IN. THK; 0.550 IN. DIA CENTER HOLE; 24 ELONGATED PORTS; TWO SUBDRILLED HOLES 0.100 IN. DIA,0.125 IN. DEEP,SPACED 90 DEGREES APART ON A 0.812 IN. BOLT CIRCLE DIA IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4310-00-374-7337 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.