PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12657Valve,regulating,fluid Pressure

DP Manufacturing Inc. · NSN 4820-01-344-5494 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-344-5494 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-344-5494. Primary manufacturer part number: 12657.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: DP Manufacturing Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-344-5494, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is DP Manufacturing Inc.. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-344-5494
Primary Part Number12657
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDP Manufacturing Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6520-00-257-303312657 INTERCHANGEABLE
Point,endodontic
Kerr Corporation
2925-00-441-8323 INTERCHANGEABLE
Support,band
5910-00-725-4794 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
3040-00-807-8345 INTERCHANGEABLE
Shaft,pawl
4820-01-303-1109 INTERCHANGEABLE
Valve,check
5340-01-622-728812657-1 INTERCHANGEABLE
Track,sliding Door
Coda Octopus Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
2HD244 Oshkosh Defense Llc (USA)
12657 PRIMARY DP Manufacturing Inc. (USA)
12657-G DP Manufacturing Inc. (USA)
2HD244 Oshkosh Corp (USA)
Related Parts
6520-00-257-3033INTERCHANGEABLE
POINT,ENDODONTIC
12657
2925-00-441-8323INTERCHANGEABLE
SUPPORT,BAND
5910-00-725-4794INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
3040-00-807-8345INTERCHANGEABLE
SHAFT,PAWL
4820-01-303-1109INTERCHANGEABLE
VALVE,CHECK
5340-01-622-7288INTERCHANGEABLE
TRACK,SLIDING DOOR
12657-1

Frequently Asked Questions

What is NSN 4820-01-344-5494?

NSN 4820-01-344-5494 is a Valve,regulating,fluid Pressure, manufactured by DP Manufacturing Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-344-5494?

NSN 4820-01-344-5494 has 4 cross-referenced part numbers: 2HD244 (Oshkosh Defense Llc), 12657 (DP Manufacturing Inc.), 12657-G (DP Manufacturing Inc.), 2HD244 (Oshkosh Corp).

What NSN replaces 4820-01-344-5494?

There are 6 known substitutes for 4820-01-344-5494: 6520-00-257-3033, 2925-00-441-8323, 5910-00-725-4794 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12657?

Key specifications for 12657: End Item Identification: NSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM). 1 total characteristics are documented in the Federal Logistics Information System.

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